Abstract:
A multi-purpose lens cap  10  which functions as a storage device and camera lens protector is disclosed. The lens cap  10  storage device provides a readily accessible place to store memory cards  20 , pre-moistened lens cleaning wipes or other accessories that may be integral to the operation of a camera. Because the lens cap  10  is capable of storing these, and other accessories, efficiency and artistic freedom is achieved that wasn&#39;t previously possible. In the case of failure or loss, a memory card  20  can immediately be replaced from a reserve in the lens cap  10 . Additionally, a pre-moistened wipe can be accessible from the lens cap  10  storage device, providing a way to safely and easily clean a lens while on location.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims the benefit of provisional patent application Ser. No. 61/525,814, filed 2011 Aug. 21 by the present inventor. 
    
    
     BACKGROUND 
     Prior Art 
     The following is a tabulation of some prior art that presently appears relevant: 
     
       
         
               
             
               
               
               
               
             
           
               
                   
               
               
                 U.S. patents 
               
             
          
           
               
                 Pat. No. 
                 Kind Code 
                 Issue Date 
                 Patentee 
               
               
                   
               
               
                 4,600,278 
                   
                 1986 Jul. 15 
                 Saito 
               
               
                 7,717,630 
                 B1 
                 2010 May 18 
                 Wan 
               
               
                   
               
             
          
         
       
     
     
       
         
               
             
               
               
               
               
             
           
               
                   
               
               
                 U.S. patent Application Publications 
               
             
          
           
               
                 Publication Nr. 
                 Kind Code 
                 Publ. Date 
                 Applicant 
               
               
                   
               
               
                 0038269 
                 A1 
                 2010 Feb. 18 
                 Picard 
               
               
                 0124954 
                 A1 
                 2008 May 29 
                 Wei Chen 
               
               
                 0086101 
                 A1 
                 2009 Apr. 02 
                 Lee 
               
               
                 0170854 
                 A1 
                 2011 Jul. 04 
                 Tse, JR. 
               
               
                   
               
             
          
         
       
     
     
       
         
               
             
               
               
               
               
               
             
           
               
                   
               
               
                 Foreign Patent Documents 
               
               
                   
               
             
             
               
                   
               
             
          
           
               
                 Foreign Doc. Nr. 
                 Cntry Code 
                 Kind Code 
                 Pub. Dt 
                 App of Patentee 
               
               
                   
               
             
          
         
       
     
     BACKGROUND 
     This application relates to camera accessories, and more specifically, to a lens cap having a storage device. 
     BACKGROUND 
     Prior Art 
     Lens caps are a necessity for photographers to carry as a protection device for a camera lens. Without the use of a lens cap, the lens is at risk of permanent damage. A conventional lens cap, such as U.S. Pat. No. 4,600,278 to Saito (1986), provides protection features that keep a lens free from dirt, debris, dust and scratches. The prior art fails to reach its full potential because it provides only a single function. Because lens caps are the most common camera accessory and are readily available, it is desirable to have a lens cap that provides multiple functions. 
     An example of common storage devices for memory cards is Patent Application Publication No. 0038269 to Picard (2010). These storage devices provide photographers a place to store memory cards but fail when it comes to day to day accessibility. The reason they fail to be readily accessible is simple. Photographers progress to only the most essential elements required to complete a task. Many photographers own a staggering amount of photographic equipment. Some common accessories include: a flash, filters, additional lenses, reflectors, tripods, and any number of camera bags and storage devices. With the exception of professional photographers, this equipment is rarely used on a day to day basis. The reason is simply that there is far too much equipment to manage. Storage devices such as these are difficult to make readily available for day to day carry. Only the most essential photographic items accompany the photographer on a permanent basis. 
     Even the most common and compact memory card storage devices such as Patent Application Publication No. 0124954 (2008) to Wei Chen suffers from the problem that the invention disclosed is less likely to be carried while out in the field. When carried it would most likely be in a camera bag or pocket where it can easily be lost or misplaced. 
     U.S. Pat. No. 7,717,630 to Wan (2010) discloses a device for a camera cap with a white balance insert and Patent Application Publication 0086101 to Lee (2009) discloses a lens cap with a dual-purpose lens cap protector and white balance filter. Neither of these inventions provides a storage device. With the trend clearly towards memory miniaturization, there is a real need for a lens cap that provides storage. 
     Patent Publication 0170854 to Tse, J R. (2011) discloses a camera lens accessory holder for the storage of lens caps. The disclosed device does not however provide for a way to store accessories using the lens cap as a storage device itself. 
     What is needed and heretofore not provided is a lens cap that provides a plurality of functions, including a readily accessible storage device while providing the protection of a conventional lens cap. 
     SUMMARY 
     A lens cap with storage device is disclosed for use by photographers having the capability of storing by example and not limited to SD card(s), compact flash card, mini SD card(s), memory stick pro duo, micro SD card(s) or any other portable media card or device that is developed in the future. The lens cap will act and function in the same manner as a traditional lens cap while providing novel features. It provides the ability to store items on or within the body of a lens cap. By way of example and not limitation items that can be stored within the compartment of the lens cap include: memory cards, pre-moistened lens wipes, or anything else that aids the photographer providing it is of suitable size for storage. Other features include a decal onto which an owner&#39;s information can be written. Additional items can be specifically manufactured to fit within the storage space. They can include, for example, a small LED flashlight to assist with night photography. Items stowed in the lens cap are readily accessible providing a backup memory card to the photographer. The lens cap with storage can be made of one part or multiple parts with the storage being on either side of the lens cap. One embodiment would have a transparent insert that holds items to the interior of the lens cap; the interior being the side facing the front element of the camera lens when the cap is attached. 
     Any camera that utilizes a lens cap would be compatible with the lens cap of the present invention. The compatible cameras include still cameras, digital or film cameras, video cameras, and any other lens that requires a lens cap. 
     Advantages 
     Accordingly, several advantages of one or more aspects are as follows: to provide a convenient and readily accessible storage place on a lens cap. This further provides backup for items such as, by example and not limited to, memory cards. In case of malfunction, the photographer conveniently has a spare memory card located in the lens cap. In case of a full memory card or a forgotten memory card, one is readily available. Other advantages of one or more aspects will be apparent from a consideration of the drawings and ensuing descriptions. 
    
    
     
       DRAWINGS 
       Figures 
       The illustrations are shown by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which: 
         FIG. 1  illustrates the lens cap with storage device as seen from the inside view (the side that faces the lens of the camera) in accord with an embodiment of the invention having a releasably connected retainer capturing the image storage device between the lens cap and the retainer. 
         FIG. 2  shows an outside view of lens cap and releasably connected image storage device. 
         FIG. 3  shows a retainer holding the image storage device as it would appear when it is in position to be stored in the lens cap. 
         FIG. 4  shows the retainer connected to the inside of the lens cap with the image storage device captured between the lens cap and the retainer. 
         FIG. 5   a  shows a size chart with the corresponding sizes of lens caps that I currently feel will best fit the various embodiments of a lens cap with storage device using a SD card on the outside of the lens cap. 
         FIG. 5   b  shows a size chart with the corresponding sizes of lens caps that I currently feel will best fit the various embodiments of a lens cap with storage device using a SD card on the inside of the lens cap. 
         FIG. 5   c  shows a size chart for a lens cap with an embodiment and storage device for CF card type stored on the outside on the lens cap 
         FIG. 5   d  shows a size chart for a lens cap with an embodiment and storage device for CF card type stored on the inside of the lens cap 
         FIG. 6   a  shows the steps of using a memory card with a lens cap having storage. 
         FIG. 6   b  shows the steps of using a pre-moistened lens cleaning cloth with a lens cap having storage. 
         FIG. 7   a  shows an alternative embodiment of a lens cap with storage device; in this view, the memory card has been removed. 
         FIG. 7   b  shows how the alternative embodiment will appear with a memory card inserted. 
         FIG. 8   a  shows an alternative embodiment of a lens cap with a front cavity for the storage of a memory card. 
         FIG. 8   b  shows the alternative lens cap with a front cavity storing a memory card on the lens cap. 
     
    
    
     
       
         
               
             
               
               
               
               
             
           
               
                   
               
               
                 DRAWINGS-Reference Numerals 
               
               
                   
               
             
             
               
                   
               
             
          
           
               
                 10 
                 Lens cap 
                 15 
                 A, B, C, D Female mount 
               
               
                   
                   
                   
                 attachments 
               
               
                 17 
                 Decal (Owners Info) 
                 20 
                 Image storage device 
               
               
                 30 
                 Retainer 
                 31 
                 A, B, C Retainer side walls 
               
               
                 39 
                 A, B, C, D Male mount posts 
                 60 
                 Alternative Lens Cap 
               
               
                 70 
                 Overhead bar 
                 75 
                 Wedge 
               
               
                 80 
                 Lens cap with front cavity 
               
               
                   
               
             
          
         
       
     
     DETAILED DESCRIPTION 
     FIG.  1 , FIG.  2 , FIG.  3 , FIG.  4  and FIG.  5   
     First Embodiment 
     One embodiment of the lens cap with storage device is illustrated in  FIG. 1  (inside view). The disclosed embodiment comprises a lens cap  10  body having a releasably connected retainer  30 . The retainer  30  is capable of storing a memory card  20  of a known type that is captured between the lens cap  10  and the retainer  30   FIG. 2  (outside view). The retainer  30  has side walls  31 A,  31 B and  31 C that contain the memory card  20  in the retainer  30 . The retainer  30  with the memory card  20  is then releasably connected to the lens cap  10  by inserting the four male posts  FIG. 2   39 A,  39 B,  39 C,  39 D into the female mount attachments  FIG. 1   15 A,  15 B,  15 C,  15 D on the lens cap  10 . The lens cap  10  provides adequate space to affix a decal  17  with camera owner&#39;s personal information. 
       FIG. 3  shows a memory card  20  stored inside the retainer  30 .  FIG. 4  shows the retainer  30  attached to the lens cap  10  in its stowed position. The lens cap  10  with retainer  30  and stowed memory card  20  is ready to be mounted to the lens of a camera to provide protection to the lens surface while storing a memory card  20  inside the enclosed space. In some embodiments the retainer  30  can be semi transparent allowing the photographer to visually check that the memory card  20  is stored in the lens cap  10  without removing the retainer  30 . 
     The various parts of the lens cap  10 ,  15  A,B,C,D,  30 ,  31  A, B,C,  39  A,B,C, and D can be molded using injection molding processes that are well known in the industry; or the various parts can be manufactured by any processes that are well known in industry, or they can be made by any process appropriate for the product. The lens cap  10 , often made of plastic or the like, may be made of multiple molded parts and assembled after the molding process. 
     Operation— FIGS. 5   a ,  5   b ,  5   c ,  5   d  and  6   a ,  6   b    
     In operation, a lens cap with storage device will be easily adapted by photographers. Lens caps are unique to camera accessories because, unlike other accessories, they almost always accompany or are operatively connected to the camera. 
     There are real world operational advantages with a lens cap having the ability to store additional memory cards in an unobtrusive and inconspicuous place. In particular, an embodiment having a storage device on the inside of the lens cap (in an inoperative location between the lens and the lens cap) is an ideal place for the photographer to store additional memory cards or other small accessories because it does not affect the operation, aesthetics or ergonomics of the camera. Aesthetics and ergonomics can be easily overlooked even though they are extremely important considerations when discussing the operation of a new device. 
     Lens caps come in many sizes but some common sizes include 30.5 mm, 37 mm, 40.5, 43 mm, 46 mm, 49 mm, 52 mm, 55 mm, 58 mm, 62 mm, 67 mm, 72 mm, 77 mm, 82 mm, 86 mm, 95 mm, 112 mm and 127 mm. A large selection of memory cards or image storage devices are available and currently include SD cards, compact flash cards, mini SD cards, memory stick pro duo cards and micro SD cards. Continually, new image storage devices are being developed. The trend continues to be image storage devices that are smaller form factors with more storage capacity. Shown by example and not limitation,  FIGS. 5   a ,  5   b ,  5   c  and  5   d  shows the two most common card types  20  and the corresponding sizes of lens caps  10  that I currently feel will best fit the various embodiments.  FIG. 5   a  is a size chart for lens caps  10  with an embodiment and storage device for SD card types stored on the outside of a lens cap  10 .  FIG. 5   b  is a size chart for lens caps  10  with an embodiment for an SD card type stored with storage device on the inside of a lens cap  10 .  FIG. 5   c  is a size chart for a lens cap  10  with an embodiment and storage device for CF card type stored on the outside on the lens cap  10 .  FIG. 5   d  is a size chart for a lens cap  10  with an embodiment and storage device for CF card type stored on the inside of the lens cap  10 . 
     The lens cap  10  operatively connects to a camera lens in the same manner as a traditional lens cap. The lens cap  10  provides protection to the camera lens from outside elements including dirt, dust, scratches, debris and light impacts. 
     In one embodiment, the lens cap  10  is detached from the camera lens before the retainer  30  on the interior of the lens cap  10  is accessible. The retainer  30  is then temporarily detached from the interior wall of the lens cap  10 . See example  FIG. 6   a  (shown by example and not limitation) a memory card  20  is inserted into the retainer  30 . In one embodiment the retainer  30  has side walls  31  A, B, C holding the memory card  20  in place. When larger lens caps  10  are used a fourth upper wall in the retainer  30  may be required in order to hold the memory card  20  in place. In the example disclosed, the retainer  30  can be made of a semi-transparent plastic allowing the photographer to see through the retainer  30  to the defined open ended space between the lens cap  10 , and the retainer  30 . The retainer  30  is then attached to the lens cap  10  and the lens cap can now be operatively connected to the camera lens. 
     Because the memory card  20  that is stored in the lens cap  10  is identical in size and type to the memory card in use by the camera, a photographer can interchange the memory card  20  in the lens cap with the memory card that was used in the camera. The memory card  20  that was previously used in the camera can then be stored in the lens cap  10 . 
     Another example of operation is shown in  FIG. 6   b  showing the steps of using a lens cap  10  to store a conventional (not shown) pre-moistened lens cleaning wipe. These wipes are commonly available and come prepackaged in a single use wrapper. They are small, compact and ideally suited for storage in a lens cap. Many other items can be stored in a similar manner providing that the item to be stored is of appropriate size. Additionally, the photographer can write personal contact information on a decal  17  that can then be affixed to the inside wall of the lens cap  10  body. 
     Functionally, a goal of the operation of the lens cap  10  with storage device is to provide immediate accessibility to integral parts of the camera such as memory cards  20  while being unobtrusive to the photographer. It provides a solution in terms of being compact, convenient and essentially “idiot proof.” 
     Various arrangements may be used on alternative embodiments to connect the memory card  20  to the lens cap  10 , either directly or via an intermediate holder. Such arrangements include hook-and-loop type fasteners, adhesives (to permanently secure certain intermediate holders to the lens cap), spring clips, snaps, and other suitable conventional fasteners. Also, future memory cards and/or future lens caps may be manufactured to accommodate a direct mounting of the former onto the latter. 
     FIGS.  7   a - 7   b    
     Additional Embodiments 
     An additional embodiment is shown in  FIGS. 7   a  and  7   b . This embodiment is a alternative lens cap  60  with an overhead bar  70  and a wedge  75 . In this embodiment the photographer slides a memory card  20  between the overhead bar  70  and above the wedge  75 . The memory card is then sandwiched between the overhead bar  70  and the wedge  75 . The item is removed from the cap by pulling on the memory card  20  in the opposite direction. This embodiment requires adequate room to enable the sliding motion of the memory card  20  within the body of the alternative lens cap  60 ; this may have disadvantages particularly with smaller lens caps. 
     FIGS.  8   a - 8   b    
     Alternative Embodiments 
     An alternative embodiment is shown in  FIGS. 8   a  and  8   b .  FIG. 8   a  shows a lens cap  80  with a cavity that stores a memory card  20  on the outside of the lens cap (The side of the cap that faces away from the lens of the camera). The lens cap  80  that is illustrated is very small, only 40.5 mm; at this size the memory card  20  is nearly as large as the lens cap  80 . Some small lens caps such as the 40.5 mm shown in this example may be too small to accommodate some types of current memory cards on the inside of the lens cap. In this case a lens cap with storage device would be an appropriate solution and allow a card  20  to be stored on the cap  80 .  FIG. 8   b  shows the lens cap with an outside (front) view with a memory card  20  contained in the lens cap  80 . 
     Advantages 
     From the description above, a number of advantages of some embodiments of my lens cap with storage device become evident: 
     (a) The lens cap with storage device provides an ideal place for a photographer to store an additional memory card creating backup for an integral part of the camera. In the case of memory card loss or malfunction of the primary memory card, the photographer simply removes a secondary memory card of the same type from the lens cap. 
     (b) Because the lens cap provides multiple functions acting as a traditional lens cap and a storage devices, there is nothing additional required that the photographer must manage. 
     (c) Because the lens cap is connected to the lens of a camera, it is immediately accessible. The photographer is no longer required to dig through pockets, bags, or other equipment in order to find additional memory cards. 
     (d) The lens cap with storage device optionally allows a photographer to store a conventional pre-moistened lens cleaning wipe. While on location this is an ideal solution to cleaning a dirty lens. Photographers often find themselves on location without a safe and convenient way to clean their lens or filter. 
     (e) The lens cap with storage device provides adequate room to affix a decal with the owner&#39;s personal contact information. If the camera is lost or stolen this information helps identify the original owner of the camera, increasing the odds that the camera can be safely returned. 
     (f) The lens cap provides the same safety functions as traditional lens caps protecting the lens from dirt, debris and damage while providing new novel features. 
     (g) Photographers may store items of their own preference in the lens cap storage device providing that the item is of appropriate size. 
     (h) Many photographers accidentally forget their primary memory card after transferring images to a discrete storage device. When this happens they can use the secondary memory card that is kept in the storage compartment in the lens cap. 
     (i) The operation, ergonomics and aesthetics of the camera remain unchanged because the inside of the lens cap can be utilized. This keeps the camera clean and streamlined with nothing to get in the way of the photographer. 
     (j) By attaching a small item to a larger item, it is more difficult to lose or misplace that item. The lens cap with storage device provides a dedicated place for items such as a memory cards. 
     CONCLUSION, RAMIFICATIONS, AND SCOPE 
     While my above description contains many specificities, these should not be construed as limitations on the scope, but rather as an exemplification of one or several embodiments thereof. Many other variations are possible. For example, it may be possible to manufacture a lens storage device where the retainer  30  is designed to be releasably connected to a generic lens cap  10  of a third party manufacturer. In this embodiment, only an adaptable retainer would be required in order to store an image storage device  20  in the lens cap  10 . 
     Accordingly, the scope should be determined not by the embodiments illustrated but by the appended claims and their legal equivalents.