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HU907904D0 - Process and connection arrangement for providing coin-fed telephones having carbon granule microphone with a control unit with power supply from the line - Google Patents

Process and connection arrangement for providing coin-fed telephones having carbon granule microphone with a control unit with power supply from the line

Info

Publication number
HU907904D0
HU907904D0 HU907904A HU790490A HU907904D0 HU 907904 D0 HU907904 D0 HU 907904D0 HU 907904 A HU907904 A HU 907904A HU 790490 A HU790490 A HU 790490A HU 907904 D0 HU907904 D0 HU 907904D0
Authority
HU
Hungary
Prior art keywords
telephones
fed
control unit
power supply
line
Prior art date
Application number
HU907904A
Other languages
English (en)
Other versions
HUT59781A (en
Inventor
Patrick J Mcgarry
Original Assignee
Mars 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 Mars Inc filed Critical Mars Inc
Publication of HU907904D0 publication Critical patent/HU907904D0/hu
Publication of HUT59781A publication Critical patent/HUT59781A/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Prepayment Telephone Systems (AREA)
  • Telephone Function (AREA)
  • Testing Of Coins (AREA)
HU907904A 1989-09-15 1990-09-10 Low-consumption control circuit for coin-box telephon sets HUT59781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/407,896 US4985910A (en) 1989-09-15 1989-09-15 Method and apparatus for retrofitting a standard coin operated telephone employing a carbon microphone with a line powered electronic controller

Publications (2)

Publication Number Publication Date
HU907904D0 true HU907904D0 (en) 1991-08-28
HUT59781A HUT59781A (en) 1992-06-29

Family

ID=23613992

Family Applications (1)

Application Number Title Priority Date Filing Date
HU907904A HUT59781A (en) 1989-09-15 1990-09-10 Low-consumption control circuit for coin-box telephon sets

Country Status (11)

Country Link
US (1) US4985910A (hu)
EP (1) EP0417978A3 (hu)
JP (1) JPH088615B2 (hu)
KR (1) KR950014296B1 (hu)
CN (1) CN1050296A (hu)
AU (1) AU629775B2 (hu)
BR (1) BR9006912A (hu)
CA (1) CA2040431C (hu)
HU (1) HUT59781A (hu)
MX (1) MX167208B (hu)
WO (1) WO1991004628A1 (hu)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5946392A (en) * 1996-11-22 1999-08-31 Lucent Technologies Inc. Telephone handset interface device
IL131266A0 (en) 1999-08-05 2001-01-28 N S T Neurosurvival Technologi Peptides and pharmaceutical compositions comprising same
IL125908A (en) 1998-08-24 2005-05-17 Nst Neurosurvival Technologies Peptides and pharmaceutical compositions comprising same
CN106060687B (zh) * 2016-06-08 2024-05-17 钰太芯微电子科技（上海）有限公司 一种多模式的麦克风供电系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132207A (en) * 1958-05-26 1964-05-05 Electratone Inc Microphone amplifier
JPS5574257A (en) * 1978-11-30 1980-06-04 Tamura Electric Works Ltd Failure monitor system for public telephone
FR2497433A1 (fr) * 1980-12-31 1982-07-02 Thomson Csf Mat Tel Circuit de liaison d'un microphone actif, en particulier a electret a un circuit de transmission telephonique
JPS58156259A (ja) * 1982-03-12 1983-09-17 Tamura Electric Works Ltd 公衆電話機のアラ−ム情報送信方式
US4495382A (en) * 1982-04-23 1985-01-22 Fairchild Camera And Instrument Corporation Telephone regulator circuitry
JPS59231966A (ja) * 1983-06-14 1984-12-26 Tamura Electric Works Ltd 公衆電話機の処理制御方式
US4567325A (en) * 1983-12-30 1986-01-28 At&T Technologies Inc. Controller for a coin telephone set
JPS6253557A (ja) * 1985-09-03 1987-03-09 Matsushita Electric Ind Co Ltd 音響結合装置
JPS6384216A (ja) * 1986-09-29 1988-04-14 Toshiba Corp 音声・デ−タ多重化装置
JPS63191449A (ja) * 1987-02-03 1988-08-08 Fuji Facom Corp 信号レベル設定方法

Also Published As

Publication number Publication date
CA2040431C (en) 1995-07-11
JPH04501949A (ja) 1992-04-02
EP0417978A2 (en) 1991-03-20
AU6448390A (en) 1991-04-18
US4985910A (en) 1991-01-15
BR9006912A (pt) 1991-12-17
KR920702138A (ko) 1992-08-12
AU629775B2 (en) 1992-10-08
HUT59781A (en) 1992-06-29
WO1991004628A1 (en) 1991-04-04
CA2040431A1 (en) 1991-03-16
MX167208B (es) 1993-03-09
EP0417978A3 (en) 1992-10-14
CN1050296A (zh) 1991-03-27
JPH088615B2 (ja) 1996-01-29
KR950014296B1 (ko) 1995-11-24

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Legal Events

Date Code Title Description
DFD9 Temporary prot. cancelled due to non-payment of fee