EP0554349A1 - Ensemble etui de transport pour un dispositif electrique portable - Google Patents

Ensemble etui de transport pour un dispositif electrique portable

Info

Publication number
EP0554349A1
EP0554349A1 EP91919740A EP91919740A EP0554349A1 EP 0554349 A1 EP0554349 A1 EP 0554349A1 EP 91919740 A EP91919740 A EP 91919740A EP 91919740 A EP91919740 A EP 91919740A EP 0554349 A1 EP0554349 A1 EP 0554349A1
Authority
EP
European Patent Office
Prior art keywords
battery
carry case
contacts
case assembly
portable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP91919740A
Other languages
German (de)
English (en)
Other versions
EP0554349A4 (en
Inventor
Frederick A. Baracat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of EP0554349A1 publication Critical patent/EP0554349A1/fr
Publication of EP0554349A4 publication Critical patent/EP0554349A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet
    • H04B1/086—Portable receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3888—Arrangements for carrying or protecting transceivers

Definitions

  • This invention relates generally to the field of carry case assemblies for portable electrical devices, and more specifically, to a carry case assembly which includes a battery for supplying electrical energy to a portable communication device.
  • the demand for higher capacity batteries for use in portable communication devices has been increasing in recent years, due mainly in part to the increased technological sophistication of modern day communication devices (i.e. addition of synthesizers, increased use of microprocessors, etc.).
  • the added features of modern day communication devices have increased substantially the current drain of these devices, thereby requiring higher capacity batteries for the same amount of radio usage.
  • a large percentage of portable communication devices such as portable radios are carried in carry case assemblies, which are normally attached to the radio user's clothing. The carry cases allow the radio users to store away the radios while the radio users go about doing other activities.
  • the radios tend to be carried in the carry case assemblies for the majority of the time the radios are being used.
  • the radio communication device user normally removes the radio from the carry case only when he needs to speak into the radio in order to transmit a message.
  • a carry case assembly which could increase the battery capacity of a radio when the radio is placed in the carry case would be very beneficial. This would give a portable communication device a longer battery life, while maintaining or decreasing the size of the communication device battery. Having an extra battery source which could supply electrical energy to the radio while in the carry case would be very beneficial.
  • a carry case assembly which can supply electrical energy (current) to a portable electrical device is disclosed.
  • the carry case assembly includes a battery which is retained inside the carry case assembly.
  • the battery is connected to a set of contacts which make contact to a portable electrical device, once the communication device is placed in the carry case. This allows the battery to supply electrical energy to the electrical device.
  • th ⁇ arry case assembly contains two sets of contacts which are con. _ ted to a rechargeable battery. One set of contacts mate with a portable communication device, allowing the battery to power the device. The second set of contacts, allows the carry case battery (this assumes the battery is a rechargeable type) to be charged by a battery charger while still inside the carry case assembly.
  • Fig. 1 a is a drawing of a carry case assembly in accordance with the present invention.
  • Fig. 1 b is a rear view of Fig. 1.
  • Fig. 2a is a side view of Fig. 1.
  • Fig. 2b is a schematic representation of a carry case assembly in accordance with the present invention.
  • Fig. 3a is a drawing of an alternate carry case assembly in accordance with the present invention.
  • Fig. 3b is a rear view of Fig. 3a.
  • Fig. 4a is a second alternate carry case assembly in accordance with the present invention.
  • Fig. 4b shows a cut away view of the adjustable battery receptacle of Fig. 4a.
  • Fig. 5 is a block diagram of a portable communication device coupled to the present invention.
  • Carry case assembly 100 is suitable for use with a portable electrical device such as a portable radio 110.
  • a portable electrical device such as a portable radio 110.
  • Other portable electrical devices such as cellular telephones, pagers, electric hand tools, etc. can also use the present invention.
  • the portable electric devices are powered by rechargeable batteries.
  • the carry case assembly 100 comprises a means for supporting a portable electric device, such as portable radio retainer 106.
  • Radio retainer 106 allows a radio 110 to slide through it and be retained in place.
  • the carry case assembly 100 includes a main housing 108, preferably made out of a material having a substantial structural integrity, such as polycarbonate.
  • the housing 108, and radio retainer 106 could preferably be designed using one molded piece of polycarbonate.
  • the housing 108 could be designed out of almost any other type of material which displays some structural rigidity.
  • a rear view of the carry case assembly 100 is shown, and is depicted as 200.
  • a second set of contacts 112 are shown in the rear of housing 108.
  • the optional set of contacts 112 are used for charging the battery (not shown) that is part of carry case assembly 100.
  • FIG. 2a A side view of a carry case assembly 200 is shown in Fig. 2a. Shown is battery storage area 206 which is part of housing 108. The battery storage area 206 is used to retain battery 202 inside of housing 108. Preferably, a conventional snap fit lid 204 can be used to seal battery pack 202 inside the housing 108, thereby retaining the battery 202. Housing 108 can be molded over battery 202 thereby sealing battery 202 into the housing 108.
  • Fig. 2b shows an electrical schematic depicting the connection of the battery pack 202 with the first and second set of contacts 102 (shown as 216,218) and 112 (shown as 220, 222, 224, and 226), respectively.
  • the first set of contacts 102 act as a connecting means electrically connecting battery 202 to radio 110, allowing battery 102 to supply electrical energy (current) to radio 110.
  • Battery 202 is preferably comprised of a plurality of battery cells connected in series.
  • each of the battery cells is a rechargeable NiCd cell with a voltage of 1.25 volts.
  • the total voltage of the battery pack 202 should be at least 1.25 volts greater than the voltage of the battery which is found on radio 110. For example, if the battery of radio 110 is a 7.5 volt NiCd rechargeable battery then the battery pack 202 should have a voltage of at least 8.75 volts.
  • the positive terminal of battery pack 202 is shown connected to diode 208 which is in turn connected to terminal point 216.
  • Terminal point 216 is connected to one of the contacts 102 and couples the positive terminal of battery 202 to radio 110.
  • Diode 208 prevents any discharging of current from the battery on radio 110 into battery 202. This could occur in the situation where battery 202 would be at a lower voltage potential than the communication device battery.
  • Diode 208 also protects battery 202 against the connection of the positive and negative terminals of battery 202 - to a device in reverse polarity order.
  • the negative terminal (ground) of battery 202 is connected to terminal point 218 which in turn mates to radio 110 since it is connected to one of the contacts 102.
  • Terminal points 216, and 218, are electrically connected to the set of contacts 102 that are shown in Fig. 1 a.
  • the configuration of the contacts of the portable communication device 110 which mate to contacts 102, will determine on which of the contacts 102 each terminal point (216,218) is connected to.
  • Contacts 102 in turn are electrically coupled to radio 110 once the radio 110 is in the carry case 100.
  • the radio 110 will preferably be friction fit by retainer 106 allowing the radio contacts to mate to contacts 102.
  • the contacts 102 can preferably be made out of any conductive material known in the art.
  • the contacts 102 could also be spring loaded, thereby guaranteeing a better electrical connection between the contacts.
  • radio 110 would include a battery which would normally supply power to the radio under normal operation.
  • the radio battery 110 when the radio is placed in the carry case 100, the radio battery 110 would be in parallel to battery 202, and since battery 202 would be at a slightly higher voltage potential current would flow to the battery in the radio 110.
  • the difference of voltage between the two batteries will be controlled by the communication device 110 by the use of a conventional input voltage regulator circuit.
  • terminal points 220, 222, 224, and 226, which correspond to the second set of contacts 112 in Fig. 1 b.
  • the second series of contacts 112 are employed to interface battery 202 to a a battery charger (not shown) whenever battery 202 is of the rechargeable type such as a NiCd (Nickel Cadmium) battery.
  • a battery charger not shown
  • Nonrechargeable types of batteries can also be utilized with the present invention, such as alkaline and other similar types. Nonrechargeable types are not preferred with the present invention due to the fact that they can not be recharged.
  • Diode 212 which is connected between the positive terminal of battery 202 and terminal point 220 has a selected polarity which prevents the energy in battery 202 to be discharged into the battery charger (not shown).
  • Terminal point 224 is electrically connected to the negative (ground) terminal of battery 202 allowing for connection of found to the battery charger.
  • Optional coding resistor 214 which is connected between the negative terminal of battery 202 and terminal point 222, can be used to inform the battery charger of the capacity of battery 202.
  • the value of resistor 214 is arbitrarily selected to indicate the capacity of battery 202 to the charger so that the charger can send the appropriate magnitude of charging current to the battery.
  • assigning a value of 1000 ohms to resistor 214 would indicate to the charger that the battery 202 exhibits a capacity of 1000 maH (milli-amp-hours).
  • the charger which can be coupled to terminal point 222, senses the value of resistor 214, determines the capacity of battery 202, and then sends the appropriate amount of charging current via terminal points 220, and 224.
  • battery 202 is provided with a thermistor 210 coupled between the negative battery terminal (ground) 224 and terminal point 226. As battery charging progresses, the temperature of battery 202 rises until it reaches a temperature at which charging is complete.
  • the charger (not shown) is coupled to terminal point 226 to permit the charger to sense the resistance of thermistor 210, and thus determine the temperature of the battery.
  • the second series of contacts 112 (220, 222, 224, and 226) are preferably located in the rear of the housing 108 in order to facilitate placement of the carry case into the charger. Contacts 112 mate with a similar set of contacts which are found in the battery charger.
  • Carry case assembly 300 includes a communication device support 306 which gives a communication device added support while in the carry case 300. Similar to carry case 100, carry case 300 includes a first set of contacts 304, portable radio retainer 302, and belt loop 308.
  • Fig. 3b is a rear view of carry case 300, showing a second set of contacts 310 (similar to contacts 112 in Fig. 1 b) which allow for the carry case assembly 300 to be placed in a battery charger (not shown), thereby allowing the battery pack inside the carry case 300 to be charged.
  • Carry case assembly 400 includes a moveable radio support 402 which allows the carry case 400 to be enlarged or retracted in order to accommodate radios having different sizes.
  • the adjustable support 402 allows radios having different heights to make contact with the set of contacts 406 found in the carry case 400. Once the correct height has been established for the adjustable support 402, it can be held in place by the use of fasteners, built in mechanical stops, or other mechanical methods known in the art.
  • Fig. 4b is a cut away view of Fig. 4a showing the moveable radio support 402 which includes a reel mechanism 410, similar to the one disclosed in U.S patent 4,091 ,318 entitled “Charger/Converter Console With Reel Arrangement” by Eichler et al. the disclosure of which is hereby incorporated by reference.
  • Reel 410 allows a flexible printed circuit board 408 to adjust in length thereby allowing the adjustable radio support 402 to be adjusted.
  • Fig. 5 is a block diagram of a portable communication device 502 coupled to a. carry case assembly 506.
  • the communication device 502 is shown having a battery 504 which is electrically coupled to the communication device 502 via power bus 510 which includes connections for the positive and negative terminals of battery 504.
  • An example of a communication device having a battery would be a conventional battery powered FM two-way radio.
  • the carry case assembly 506 is shown coupled to the communication device battery 504 via power bus 508, which includes connections from the positive and negative terminals of the device battery 504, and the battery in carry case assembly 506.
  • the coupling of the carry case 506 and the communication device battery 504 occurs when the communication device is placed into the carry case 506 and the radio battery contacts mate with the contacts in the carry case 506.
  • the carry case 506 can be placed into a conventional battery charger 512 and recharged via power bus 514. This would occur by placing the carry case assembly 506 into the battery charger 512. The set of contacts in the carry case 506 would then mate with contacts in the battery charger 512, thereby charging the battery inside of the carry case 506. ._

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Battery Mounting, Suspending (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

On décrit un ensemble étui de transport (100) pouvant fournir de l'énergie électrique à un dispositif électrique portable (110). L'ensemble étui (100) comprend une première série de contacts (102) électriquement connectés à une pile (202) qui fait aussi partie de l'ensemble étui (100). Lorsqu'un dispositif électrique portable (110) tel qu'une radio est placé dans l'étui (100), les contacts situés sur la radio s'accouplent aux contacts (102) de l'étui. Une fois que les contacts se sont accouplés, une connexion électrique est produite et l'énergie électrique passe de la pile (202) à la radio.
EP19910919740 1990-10-24 1991-09-30 Carry case assembly for a portable electrical device Withdrawn EP0554349A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60254590A 1990-10-24 1990-10-24
US602545 1990-10-24

Publications (2)

Publication Number Publication Date
EP0554349A1 true EP0554349A1 (fr) 1993-08-11
EP0554349A4 EP0554349A4 (en) 1993-10-13

Family

ID=24411774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910919740 Withdrawn EP0554349A4 (en) 1990-10-24 1991-09-30 Carry case assembly for a portable electrical device

Country Status (4)

Country Link
EP (1) EP0554349A4 (fr)
JP (1) JPH06502288A (fr)
TW (1) TW225625B (fr)
WO (1) WO1992008293A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535434A (en) * 1994-01-24 1996-07-09 Motorola, Inc. Carry case having paging circuitry section
DE29610958U1 (de) * 1996-06-26 1996-10-17 Soryt Leder Import & Export Gm Schutzhülle für drahtlose Telefone
US6043626A (en) * 1996-10-29 2000-03-28 Ericsson Inc. Auxiliary battery holder with multicharger functionality
JP2003500887A (ja) * 1999-05-19 2003-01-07 サムソン・エレクトロニクス・カンパニー・リミテッド 衛星航法システム用の携帯型受信指示器
JP2006516381A (ja) * 2004-01-29 2006-06-29 アルトラン・カンパニー・リミテッド 充電機能付き携帯用携帯電話ホルダー
JP5812981B2 (ja) * 2012-12-21 2015-11-17 Ｎｅｃパーソナルコンピュータ株式会社 外付けバッテリー取り付け治具、携帯型情報処理装置、及びプログラム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8701399U1 (fr) * 1987-01-29 1987-03-12 Robert Bosch Gmbh, 7000 Stuttgart, De
WO1987002848A1 (fr) * 1985-10-24 1987-05-07 General Electric Company Module d'accumulateur pour radio portative avec commutateur marche-arret
EP0263666A2 (fr) * 1986-10-06 1988-04-13 Kabushiki Kaisha Toshiba Appareil téléphonique sans cordon
JPS63164716A (ja) * 1986-12-26 1988-07-08 Matsushita Electric Ind Co Ltd 無線機器装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824472A (en) * 1973-01-24 1974-07-16 Gen Delivery Portable radio/tape recorder charging and locking system
USD292975S (en) * 1985-08-27 1987-12-01 Nec Corporation Combined carrying case and battery pack for a cordless telephone set
EP0274279B1 (fr) * 1987-01-08 1994-04-27 Nec Corporation Dispositif de fixation pour récepteur d'appel de personnes ayant des fonctions supplémentaires
US4876552A (en) * 1988-04-27 1989-10-24 Motorola, Inc. Internally mounted broadband antenna
US4829224A (en) * 1988-05-23 1989-05-09 George Gandelman Battery pack for cellular telephone

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002848A1 (fr) * 1985-10-24 1987-05-07 General Electric Company Module d'accumulateur pour radio portative avec commutateur marche-arret
EP0263666A2 (fr) * 1986-10-06 1988-04-13 Kabushiki Kaisha Toshiba Appareil téléphonique sans cordon
JPS63164716A (ja) * 1986-12-26 1988-07-08 Matsushita Electric Ind Co Ltd 無線機器装置
DE8701399U1 (fr) * 1987-01-29 1987-03-12 Robert Bosch Gmbh, 7000 Stuttgart, De

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 12, no. 430 (E-682)(3277) 14 November 1988 & JP-A-63 164 716 ( MATSUSHITA ELECTRIC IND CO LTD ) *
See also references of WO9208293A1 *

Also Published As

Publication number Publication date
WO1992008293A1 (fr) 1992-05-14
EP0554349A4 (en) 1993-10-13
TW225625B (fr) 1994-06-21
JPH06502288A (ja) 1994-03-10

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