baber/WOPTO huggingface dataset:
Patent JP-2002163377-A (JP)
Title: Method, system and terminal for education distribution service utilizing internet
Inventor: NAKAMURA SHINICHI
IPC: G06Q30/06
Filed: 2000-11-29
Abstract: PROBLEM TO BE SOLVED: To provide a method and a system, with which the member of education can receive an education distribution service from his/her own terminal through a network in an arbitrary time zone. SOLUTION: The education distribution service terminal for providing the education service is accessed from a user terminal provided with a browser function through the Internet, an education curriculum desired by a user is selected out of education curriculum information displayed on a user terminal screen, and selected contents are registered in the education distribution service terminal. Then, the education distribution service terminal is accessed from the user terminal, an education course is distributed from the education distribution service terminal, and the member attends to the course of the selected education curriculum. On each of stages of the education course, check items are tested and in case of impossibility, a supplementary course is provided.  Further, the application of a desired service among services including services for the guidance of test, the substitution of test application and the transfer of attendance fees is performed to a person, who finishes the education.
Patent JP-2002169352-A (JP)
Title: Image forming device
Inventor: YAJIMA SHUNSUKE
IPC: G03G15/01
Filed: 2000-12-05
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device capable of realizing the exchange and the replenishment of consumables at appropriate time and restraining a burden in the purchase of the consumables imposed on a user. SOLUTION: In this image forming device, plural image forming stations Pa, Pb, Pc and Pd including photoreceptor drums 222a to 222d for forming an image are arranged in a device main body 100, and a fixing device 217 is arranged on the downstream side of the stations Pa, Pb, Pc and Pd. The stations Pa, Pb, Pc and Pd are constituted as image forming units which can be attached to/detached from the main body 100, and the unit Pd adjacent to the fixing device out of the image forming units is equipped with an offset preventing agent supply part 230 to supply offset preventing agent to the fixing device 217.
Patent JP-2002176414-A (JP)
Title: Optical time division multiplexed signal processing unit and processing method, and optical time division multiplexed signal receiver
Inventor: AKIYAMA TOMOYUKI
IPC: H04B10/00
Filed: 2000-12-06
Abstract: PROBLEM TO BE SOLVED: To provide a processing unit for an optical time division multiplexed signal having a simple configuration. SOLUTION: The optical time division multiplexed signal processing unit superimposes a received optical time division multiplexed signal and a received optical clock signal in a distribution medium after giving chirp to them and a photodetector detects a beat signal.
Patent JP-2002175147-A (JP)
Title: Kana (japanese alphabet) input device
Inventor: KOTANI TAKUYA
IPC: H03M11/04
Filed: 2000-12-06
Abstract: PROBLEM TO BE SOLVED: To input a hiragana (cursive Japanese alphabet a higher speed by using a limited number of keys. SOLUTION: In a kana (Japanese alphabet) input mode, when there is key input, in the case where this key input is not input by function keys, whether or not an operated key is either of a figure key, a 4-direction key, a * key, and a # key is determined. When determined that the operated key is the *key bound with a deciding command, a key sequence up to operating the *key is judged, and the judged key sequence is substituted for a kana (Japanese alphabet) bond to the key sequence.
Patent JP-2002174655-A (JP)
Title: Method and circuit for inspecting electro-optical device, electro-optical device, and electronic equipment
Inventor: FUJITA SHIN
IPC: G01R31/02
Filed: 2000-12-07
Abstract: PROBLEM TO BE SOLVED: To accurately inspect concerning the presence of defects in wiring, an electrode and the like. SOLUTION: This method is a method for inspecting an electro-optical device 100 provided with a capacity 62 provided to correspond to an intersection of a scanning line 4-i with a data line 5-j. After a charge corresponding to a data signal is accumulated in the capacity 62, an inspection switching element 34-j provided between the data line 5-j and a reading-out signal line 35 is turned on, and a voltage in response to the charge accumulated in the capacity 62 is output thereby to the reading-out signal line 35. Timing when the switching element 34-j is turned on is made to differ from timing when the level of a clock signal TCK for inspection for specifying an operation of an inspecting circuit 3 is changed.
Patent JP-2002186003-A (JP)
Title: Position information notice method and repeater
Inventor: YOSHIHARA KEIKO
IPC: H04W36/12
Filed: 2000-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a position information notice method that informs a provider or a network about position information of a mobile device. SOLUTION: Assuming that a mobile device 10 resident in a switch station 21 and making communication with a provider via the switch station 21 and a gateway 30 moves to a zone of a switch station 22, when the switch station 22 receives a packet communication registration request (communication state) from the mobile device 10 ((a)), the switch station 22 transmits a channel connection request to the gateway 30 for the purpose of setting up a session with the gateway 30 with which the mobile device 10 makes communication ((b)). The channel connection request includes position information of the mobile device 10.  The gateway 30 making communication receives the channel connection request to detect a change in the position of the mobile device 10, to update the position information of the mobile device 10 and to inform a provider (e.g. a provider 51) making communication with the mobile device 10 about the position operation of the mobile device 10.
Patent JP-2002179870-A (JP)
Title: Eco-friendly aqueous dispersion of fluorine-containing polymer having excellent dispersion stability
Inventor: MIURA TOSHIRO
IPC: C09K23/42
Filed: 2000-12-11
Abstract: PROBLEM TO BE SOLVED: To provide an eco-friendly aqueous dispersion of a fluorine-containing polymer capable of stably keeping the dispersion stability even under the application of mechanical force. SOLUTION: The eco-friendly aqueous dispersion of a fluorine-containing polymer having excellent dispersion stability contains 40-70 wt.% fluorine- containing polymer particles and 3-20 pts.wt. (based on 100 pts.wt. of the polymer particles) of a nonionic surfactant. The nonionic surfactant is a polyoxyalkylene-type nonionic surfactant having a >=16C straight or branched- chain alkyl group on the terminal and free from alkylphenol structure.
Patent JP-2002183332-A (JP)
Title: Posthumous service insurance
Inventor: IRIE NARIYUKI
IPC: G06Q50/00
Filed: 2000-12-12
Abstract: PROBLEM TO BE SOLVED: To transmit a message such as a testamentary letter, last words, a gratitude or the like having different contents to different companions descried freely by the departed before his death, to each companion posthumously in place of the departed himself, or to execute the care of a grave or a Buddhist service as an insurance service, by solving problems wherein the departed can not send posthumously a latter of appreciation to persons giving assistance to him before his death, and a person having no kith or kin can not execute the care of the grave for himself or his ancestors or the Buddhist service, and it is inconvenient to leave readily a message to a lawyer, though possible, and to change freely the content thereof. SOLUTION: In this service insurance, a message registration applicant can access a registration server on an internet, and can register or erase freely his own message and transmission subject data thereof. When the applicant himself registering the registered data is dead, the message is transmitted following the last wish of the departed. In addition, after confirmation of death, the Buddhist service or the care of the grave is executed in place of the departed.
Patent JP-2002185025-A (JP)
Title: Substrate for photovoltaic element and manufacturing method therefor
Inventor: AZUMA MASANOBU
IPC: H01L31/04
Filed: 2000-12-18
Abstract: PROBLEM TO BE SOLVED: To provide the simple crystalline silicon substrate which is the substrate thinner than a conventional substrate and capable of supplying the photovoltaic element of the performance equal to the one using the conventional substrate, for which the mix-in of impurities is reduced and the utilization rate of silicon is high (loss is low), without the need of huge heat energy in the manufacturing process. SOLUTION: The material for which the P-type or N-type impurity semiconductor layer of thickness 2 nm-40 μm composed of poly crystalline silicon containing the dopant of boron or phosphorus or the like, and the true semiconductor layer of the thickness 2 nm-40 μm composed of the polycrystalline silicon, are laminated on a base material in the order, is used as this substrate for the photovoltaic element.
Patent JP-2002183029-A (JP)
Title: Format changing method and system using the same
Inventor: YAMAMOTO SHUJI
IPC: G06F13/00
Filed: 2000-12-18
Abstract: PROBLEM TO BE SOLVED: To provide a format changing method which can dynamically change the format of data that a server transmits and a system which uses the method. SOLUTION: For the format changing method which dynamically changes the format of the data that the server transmits, communication lines are connected to clients, one to one, and the kind of a format to be allocated is made different by the communication lines according to information of a definition table previously set on the server.
Patent JP-2002189830-A (JP)
Title: Repair dealer deciding method and storage medium
Inventor: FUJINO TAKAO
IPC: G06Q50/10
Filed: 2000-12-20
Abstract: PROBLEM TO BE SOLVED: To provide a method for deciding a repair dealer performing a proper repair. SOLUTION: This repair dealer deciding method includes a step receiving and registering the data of an accident vehicle, a step sending part or all of the data to at least one repair dealer when the data are registered, a step receiving and registering a repair estimate from the repair dealer, a step sending the repair estimate together with the attribute information of the repair dealer to a data registrant or a person having a decision right, a step receiving and registering a repair dealer decision request from them, and a step sending the received request together with the attribute information of at least the data registrant or a repair object possessing person to the decided repair dealer.
Patent JP-2002187204-A (JP)
Title: Manufacturing method for tubular article with flange of fiber reinforced plastics
Inventor: NAKAMURA HIROYUKI
IPC: B29C57/00
Filed: 2000-12-20
Abstract: PROBLEM TO BE SOLVED: To improve strength of a tubular article with a flange of fiber reinforced plastics (FRP). SOLUTION: A prepreg 12 is placed at surroundings of a first mold 10 (Figure 1a) and a second mold 14 is placed at the outside of it (Figure 1b). The prepreg 12 is extended from its end face outer in the radius direction by using an extension jig 18 (Figure 1c). The extended parts of the prepreg 12 are held by the second mold 14 and a third mold 22 and are molded (Figure 1d). A prepreg matrix resin is cured under this condition and the tubular article with the flange of FRP is obtained.
Patent JP-2002188961-A (JP)
Title: Chromaticity measuring method of fluorescent lamp and chromaticity measuring device of fluorescent lamp
Inventor: HASHIMOTO NOZOMI
IPC: G01N21/64
Filed: 2000-12-22
Abstract: PROBLEM TO BE SOLVED: To reduce a time loss or a production loss by measuring the chromaticity of a fluorescent lamp without using a completed fluorescent lamp. SOLUTION: An ultraviolet ray radiation means 4 for radiating ultraviolet rays is inserted into a glass bulb 7 having a phosphor film 8 formed on its inner surface, and the phosphor film 8 is allowed to emit light by the ultraviolet rays radiated from the ultraviolet ray radiation means 4, and the chromaticity of light emitted from the phosphor film 8 is measured by using a chromaticity measuring means 6 including a photodetector 11 for receiving light.
Patent JP-2002191522-A (JP)
Title: Bath board
Inventor: CHIBA HIDEYA
IPC: A47K3/02
Filed: 2000-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a bath board which is used as a bathtub chair of a bathtub formed with slopes for putting armrests on and oppositely inside flanks, is easily portable, does not occupy a large place for storage, hardly deposits dust and fur and is easily cleanable. SOLUTION: This bath board 3 is spanned and placed across on the slopes 2 for the armresets respectively formed on the opposite inside flank 11 of the bathtub 1. The bath board comprises a board section 31 the front surface of which is formed as a loading surface 31a to be loaded with a human body, loading ribs 32 which are projectingly disposed downward at the opposite end edges placed on the slopes 2 of an under surface 31b of the board section and reinforcing ribs 33 which are projectingly disposed downward at the end edges not projectingly provided with the loading ribs 32 of the under surface 31b of the board section. The loading ribs 32 are formed to an approximately rectangular triangular shape in side view in such a manner that the loading surface 31a of the board section 31 is made approximately horizontal along the slopes 3 when the ribs are placed on the slopes 2.  The loading ribs 32 and the reinforcing ribs 33 are both provided with notches 34 for venting air so as to prevent formation of air pockets at the under surface 31b of the board section.
Patent JP-2002196264-A (JP)
Title: Display unit
Inventor: TAKEUCHI YUKIHISA
IPC: G02B26/08
Filed: 2000-12-26
Abstract: PROBLEM TO BE SOLVED: To provide a practical display unit which can comparatively easily deal with the increase in the size and the thickness reduction of a panel is a direct viewing type enabling a high contrast, displayed colors of which hardly fade even under external light, and makes use of the functional characteristics of a display element providing wide viewing angles. SOLUTION: The display unit has a plurality of display units. Each display unit consists of a light transmission plate to which a light beam is introduced, and a display element which is provided oppositely to one surface of the light transmission plate and includes a drive part arrayed with the actuator parts of the number corresponding to a large number of pixels, and displays an image according to an image signal on the light transmission plate by controlling the displacement operation of the contact/distancing direction of the actuator parts to the light transmission plate according to the attribute of the inputted image signal, and controlling light leakage in the prescribed region of the light transmission plate. The display units are connected and arranged so as to form a prescribed angle with each other.
Patent JP-2002198658-A (JP)
Title: Prepreg and method of manufacturing the same, and method of manufacturing wiring board using the same
Inventor: FUJISAKI AKIYA
IPC: H05K3/46
Filed: 2000-12-26
Abstract: PROBLEM TO BE SOLVED: To eliminate such a problem that when transferring a fine conductor layer such as a metal foil on the surface of a prepreg formed of glass woven fabric and organic resin, a wiring pattern deforms, generating short circuits, or vias are discontinued, generating conduction defects. SOLUTION: Rigid plates are laminated on both faces of a sheet body which is glass woven fabric impregnated with thermosetting resin, and then the sheet body is heat-treated at 40-220 deg.C while being pressureized at 200 MPa or above, to be turned fine in texture. Then, a porous layer containing thermosetting resin is formed at least on one face of the fine sheet to obtain a prepreg which comprises the fine layer (a) which is formed of the glass woven fabric (x) impregnated with the thermosetting resin (y) and which has a porosity of 5% or above, and the porous layer (b) which contains thermosetting resin and has a porosity of 10 to 50% and is formed on one face of the fine layer (a) in the thickness of 1-30 μm.
Patent JP-2002198626-A (JP)
Title: Manufacturing method of low temperature baking ceramic circuit board
Inventor: SAKANOUE AKIHIRO
IPC: H01L23/15
Filed: 2000-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a low temperature baking ceramic circuit board whose wire bonding strength is ensured. SOLUTION: In a low temperature baking ceramic circuit board 10 for baking a ceramic green sheet lamination, a bonding pad 41 or a flip chip connection pad 42 is formed of conductive paste consisting of an Ag-base metallic element and amorphous glass frit at 800 to 1,000 deg.C, an operation point temperature of amorphous glass frit is lower than a baking temperature of ceramic green sheet, and amorphous glass frit is incorporated in conductive paste 0.5 to 10.0 wt.% (solid content ratio).
Patent JP-2002193783-A (JP)
Title: Cosmetic composition
Inventor: SUMIDA YASUSHI
IPC: A61Q19/08
Filed: 2000-12-27
Abstract: PROBLEM TO BE SOLVED: To obtain a cosmetic composition having low irritation, formulated with a plant essence having promotion effect on blood circulation. SOLUTION: This cosmetic composition is characterized by containing (A) a plant essence having a promotion effect on blood circulation and (B) a water- soluble film-forming polymer (with the proviso that both a carboxyvinyl polymer and an alkyl-modified carboxyvinyl polymer are omitted).
Patent JP-2002196990-A (JP)
Title: Service discovery protocol conversion gateway
Inventor: ISOMURA MANABU
IPC: H04L29/12
Filed: 2000-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a service discovery protocol conversion gateway capable for a device conformed with some protocol of discovering and using services of a device conformed with another protocol. SOLUTION: This service discovery protocol conversion gateway is provided with a first handler means for a first service discovery protocol, a second handler means for a second service discovery protocol, a common service database accumulating service information of common format, a first format conversion means mutually converting the format between the service information of the first service discovery protocol and the service information of the common format, and a second format conversion means mutually converting the format between the service information of the second service discovery protocol and the service information of the common format.
Patent JP-2002204164-A (JP)
Title: Variable current device
Inventor: WATANABE SEIJI
IPC: G05F3/26
Filed: 2000-12-28
Abstract: PROBLEM TO BE SOLVED: To obtain a highly accurate variable output current regardless of variation in resistance values of the resistors in a variable current device which outputs a current that corresponds to inputted digital signal. SOLUTION: The voltages generated in resistors 102, 103 to which a current flows from a constant current source are used for reference voltages Va, Vb for a D/A converter 105 and an operational amplifier 108. The voltage Vc at one end of a resistor 106 is controlled to be Vb by the operational amplifier 108, and a specific current I1 flows through the resistor 106. The D/A converter 105 generates an open-circuit voltage Vd that corresponds to the input digital data signal and a current I2 that corresponds to the difference between Vd and Vc flows through an output resistor 105a. A variable current whose magnitude is I1-I2 flows through each of p-channel MOS transistors 107, 109. This variable current does not depend on the resistance value itself of each resistor, but is a highly accurate variable current which depends on the ratio of the resistance values.
Patent JP-2001270910-A (JP)
Title: Method for decreasing metal ion contamination in latex and method for manufacturing latex sponge having decreased metal ion contamination
Inventor: OBATA KAZUO
IPC: C08J9/30
Filed: 2000-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a method which can be carried out to decrease the metal ion contamination of a latex composition in an conventional apparatus needing neither a high-pressure vapor vulcanizer nor a contamination preventing apparatus; and a method for manufacturing the latex sponge having both a decreased metal ion contamination and remaining the effect of added antibacterial agent. SOLUTION: In the method a radical polymerization initiator is added in a rubber latex containing a polymerization terminator to react with.
Patent JP-2001510219-A (JP)
Title: ヒドロシリル化硬化された熱可塑性エラストマー
IPC: C08L23/10
Filed: 1998-07-17
Abstract: (57)【要約】
熱可塑性樹脂及び不飽和ゴムのブレンドを含む光安定化された熱可塑性エラストマーであって、当該ゴムが、立体障害のないアミン官能基を含まないヒンダードアミン光安定剤化合物の存在下にヒドロシリル化によって動的に加硫されている、熱可塑性エラストマー。
Patent JP-2001514882-A (JP)
Title: ヒト血清誘導性キナーゼ（ｓｎｋ）
IPC: C12Q1/48
Filed: 1998-08-20
Abstract: (57)【要約】
  血清誘導性キナーゼ（Snk)ポリペプチドおよびポリヌクレオチドならびに組換え技術によりこのようなポリペプチドを生産する方法が開示される。また、血清誘導性キナーゼ（Snk)ポリペプチドおよびポリヌクレオチドを治療に利用する方法、およびそうした利用のための診断アッセイも開示される。
Patent JP-2001515163-A (JP)
Title: 扉または門の開閉装置
IPC: E06B9/06
Filed: 1998-07-30
Abstract: (57)【要約】
本発明は、水平かつ平行に重ねられかつ互いにオーバーラップして移動する実質的に長方形の閉要素（２）を有する扉または門の開閉装置に関する。閉要素（２）は、第２閉要素（２）が第１閉要素の速度の２倍の速度で移動し、第３閉要素（２）が第１閉要素の速度の３倍の速度で移動し、かつ最後の閉要素（２）が第１閉要素の速度に閉要素の数を掛けた速度に等しい速度で移動するように駆動される。かくして、門が開かれまたは閉じられるとき、最下方に位置する閉要素（２）のみが最大速度で全高さを移動するのに対し、残余の閉要素（２）は、比例的に短い距離に亘って比例的に遅い速度で移動しなければならず、従って、このような門開閉装置により開閉する場合に好ましいエネルギバランスが得られる。
Patent JP-2001516569-A (JP)
Title: ママグロビン、分泌された乳腺‐特異乳癌タンパク質
IPC: C12N15/09
Filed: 1998-09-18
Abstract: (57)【要約】
精製、分離されたＤＮＡ配列及びコード化された乳腺‐特異分泌タンパク質であるママグロビンを開示する。乳癌細胞によるママグロビンの過剰発現及び分泌に基づく乳癌の検出方法をも開示する。その方法は、ママグロビン若しくはママグロビンをコード化するｍＲＮＡの有無を検出する、及び/又は定量を行う。乳癌患者をママグロビンを発現する腫瘍で処置をする、免疫療法を基礎とする方法をも開示する。その方法ではママグロビン抗原を利用して、その腫瘍に対する体液及び/又は細胞媒介の免疫応答を誘発させる。
Patent JP-2003502157-A (JP)
Title: チキソトロピー材料を用いた精密鋳造方法
IPC: B22D17/00
Filed: 1998-10-19
Abstract: (57)【要約】
複雑な内面形状を有する、きれいな仕上がりが要求されるブレーキ  キャリパ等の精密な鋳物を、チキソトロピー合金の固体−半固体遷移温度よりも融点が低いコア（１２）、好ましくはホット  チャンバー  ダイキャスト  コアの周りに半固体チキソトロピー合金のショットを鋳込むことによって作る。次いで鋳物（１０）とこれによって取り込まれたコア（１２）とを固化した後液状浴内または空気またはガス炉内で、または鋳物の熱処理の間にコア（１２）を溶かす。このプロセスによれば、鋳物（１０）の内面が極めて滑らかであり要求される厳しい公差に合致するため、及び溶出されるコア（１２）に突起を形成できるため鋳物からコア（１２）を機械的に引き出す必要がなく、切り込み部, ねじ部, 孔等を鋳物内に形成できるため、  鋳物に対する機械加工を僅かとするまたは不要とする。
Patent JP-2002507384-A (JP)
Title: アデノウイルスベクターの製造方法、それによって製造したベクターおよびその使用
IPC: A61K48/00
Filed: 1998-11-25
Abstract: (57)【要約】
転写因子ＭＡＺおよびＳｐ１のための多数の結合部位が、ＤＮＡ分解酵素Ｉ保護実験により５型アデノウイルスの主要後期プロモータ内に特定された。このプロモータの基部領域において、ＭＡＺおよびＳｐ１は両方ともＴＡＴＡボックスに接するＧＣ富裕配列と相互反応する。２つのＭＡＺ結合部位は、転写開始部位に対して−１８および−３６に集中する。Ｓｐ１は−１８ＧＣ富裕配列にのみ結合した。プロモータの遠位部領域にもまたいくつかの相互作用部位が存在した。ＭＡＺおよびＳｐ１は両方とも−１６６に集中する配列と相互作用し。ＭＡＺは−１３０に集中する別の部位と弱く結合した。ＭＡＺまたはＳｐ１の過剰発現は、一過性発現アッセイで主要後期プロモータからの発現を活性化させた。主要後期プロモータのＧＣ富裕配列の変異分析によって、ＭＡＺ活性化の主要標的はＴＡＴＡ配列に接するＧＣ富裕配列であり、一方、Ｓｐ１は遺伝子発現を刺激するために遠位部ＧＣ富裕配列成分を必要とすることが示唆された。この活性化は、アデノウイルスＥ１Ａ蛋白質によって強化され、さらに、Ｅ１Ａと両転写因子との間の相互作用の証拠が免疫沈澱アッセイを用いて得られた。ＭＡＺおよびＳｐ１による活性化もまた、標的として完全な５型アデノウイルスゲノムを用いたトランスフェクション実験で観察された。Ｌ１およびＬ５両領域からの後期ｍＲＮＡレベルの増加は、ＭＡＺまたはＳｐ１発現プラスミドがウイルスＤＮＡとともにトランスフェクトされたときに観察された。予想に反して、ＭＡＺおよびＳｐ１による主要後期プロモータの活性化は、ウイルスＤＮＡが複製できるか否かにかかわらず検出された。
Patent JP-2002500963-A (JP)
Title: ダイヤモンド製切断用具
IPC: C30B29/04
Filed: 1999-01-27
Abstract: (57)【要約】
切断用エッジ５を有するダイヤモンド層２を伴う切断用具を記載する。この切断用エッジ５は、エッチングによって構造化された、層厚が減少する形状を有する。さらに、そのような切断用具の製造プロセスを記載する。
Patent JP-2002501294-A (JP)
Title: 改良型懐中電灯
IPC: F21V9/16
Filed: 1999-01-26
Abstract: (57)【要約】
本発明による懐中電灯（１０）は、チャンバ端キャップ（３０）と、ヘッドアセンブリ（４０）と、電球ホルダアセンブリとを有する。端キャップは、懐中電灯を平坦な表面に静置させ易くする湾曲した三脚部分を備える。ヘッドアセンブリは反射板とレンズを有する。本発明の１つの実施態様において、ヘッドアセンブリは楕円反射板を有する。別の実施態様において、楕円反射板を有する懐中電灯は、凹レンズまたは平面レンズに適合させられる。別の実施態様において、双曲線反射板を有するヘッドアセンブリは凸レンズまたは平面レンズに適合させられる。懐中電灯は、懐中電灯内で間違って電池が整列されたときに電池からの電気エネルギーの伝導を阻止する電極接続部を有する。電球ホルダアセンブリは、電球ガイド部を有する電球ソケットを有し、電球ガイド部は、電球を電球ソケットに装着するためのガイドとなると共に、電球用の固定位置を提供する。電球ホルダアセンブリは、暗い条件下に光を照射し、それによって好ましくない光条件下での電球の交換を容易にする、蛍光コーティングまたは添加剤をさらに備える。チャンバに取り付けられたヘッドアセンブリは、電球とチャンバに保持されている１個以上の電池とを電気接続させるべく、チャンバに対して回転可能である。懐中電灯はさらに、懐中電灯の使用者が電球ホルダアセンブリを回してスペア電球開口とスペア電球を整列させるまで電球ホルダアセンブリによって固定保持されるスペア電球を有する。