FR2738974B1 - RINGER POWERED TELEPHONE - Google Patents

RINGER POWERED TELEPHONE

Info

Publication number
FR2738974B1
FR2738974B1 FR9510894A FR9510894A FR2738974B1 FR 2738974 B1 FR2738974 B1 FR 2738974B1 FR 9510894 A FR9510894 A FR 9510894A FR 9510894 A FR9510894 A FR 9510894A FR 2738974 B1 FR2738974 B1 FR 2738974B1
Authority
FR
France
Prior art keywords
ringer
powered telephone
telephone
powered
ringer powered
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.)
Expired - Fee Related
Application number
FR9510894A
Other languages
French (fr)
Other versions
FR2738974A1 (en
Inventor
Bernard Hernandez
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.)
CIERMA ASCENSEURS SA
Original Assignee
CIERMA ASCENSEURS SA
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 CIERMA ASCENSEURS SA filed Critical CIERMA ASCENSEURS SA
Priority to FR9510894A priority Critical patent/FR2738974B1/en
Publication of FR2738974A1 publication Critical patent/FR2738974A1/en
Application granted granted Critical
Publication of FR2738974B1 publication Critical patent/FR2738974B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR9510894A 1995-09-18 1995-09-18 RINGER POWERED TELEPHONE Expired - Fee Related FR2738974B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9510894A FR2738974B1 (en) 1995-09-18 1995-09-18 RINGER POWERED TELEPHONE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9510894A FR2738974B1 (en) 1995-09-18 1995-09-18 RINGER POWERED TELEPHONE

Publications (2)

Publication Number Publication Date
FR2738974A1 FR2738974A1 (en) 1997-03-21
FR2738974B1 true FR2738974B1 (en) 1997-11-28

Family

ID=9482637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9510894A Expired - Fee Related FR2738974B1 (en) 1995-09-18 1995-09-18 RINGER POWERED TELEPHONE

Country Status (1)

Country Link
FR (1) FR2738974B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346265A (en) * 1979-12-17 1982-08-24 Texas Instruments Incorporated Annunciator
JPH0697733B2 (en) * 1982-07-30 1994-11-30 ソニー株式会社 Signal comparison circuit
DE528187T1 (en) * 1991-07-23 1993-11-04 Otis Elevator Co., Farmington, Conn. VOICE COMMUNICATION FOR ELEVATOR.

Also Published As

Publication number Publication date
FR2738974A1 (en) 1997-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080531