JPS5462709A - Device for signalling telephone set or like - Google Patents

Device for signalling telephone set or like

Info

Publication number
JPS5462709A
JPS5462709A JP12793178A JP12793178A JPS5462709A JP S5462709 A JPS5462709 A JP S5462709A JP 12793178 A JP12793178 A JP 12793178A JP 12793178 A JP12793178 A JP 12793178A JP S5462709 A JPS5462709 A JP S5462709A
Authority
JP
Japan
Prior art keywords
telephone set
signalling
signalling telephone
telephone
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.)
Pending
Application number
JP12793178A
Other languages
English (en)
Inventor
D Bush Terry
Joseph Denen D
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.)
FLOYD BELL ASS
Original Assignee
FLOYD BELL ASS
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 FLOYD BELL ASS filed Critical FLOYD BELL ASS
Publication of JPS5462709A publication Critical patent/JPS5462709A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP12793178A 1977-10-19 1978-10-19 Device for signalling telephone set or like Pending JPS5462709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/843,456 US4157459A (en) 1977-10-19 1977-10-19 Electronic audio signalling device for telephones

Publications (1)

Publication Number Publication Date
JPS5462709A true JPS5462709A (en) 1979-05-21

Family

ID=25290038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12793178A Pending JPS5462709A (en) 1977-10-19 1978-10-19 Device for signalling telephone set or like

Country Status (4)

Country Link
US (1) US4157459A (ja)
JP (1) JPS5462709A (ja)
CA (1) CA1104277A (ja)
DE (1) DE2845611A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61172465A (ja) * 1985-01-25 1986-08-04 Matsushita Electric Works Ltd 露出電話ト−ンリンガ

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214131A (en) * 1978-12-18 1980-07-22 Floyd Bell Associates Inc. Electronic audio signalling device for telephones
USRE31398E (en) * 1977-10-19 1983-09-27 Floyd Bell Associates, Inc. Electronic audio signalling device for telephones
US4658419A (en) * 1981-07-22 1987-04-14 Floyd Bell Associates, Inc. Telephone ringer circuit
US4728933A (en) * 1986-03-24 1988-03-01 U.S. Holding Company, Inc. Miniature dual cavity ringer
WO1991019372A1 (fr) * 1990-05-26 1991-12-12 Kyocera Corporation Dispositif sonore piezoelectrique et procede de fabrication dudit dispositif
US5218634A (en) * 1990-05-29 1993-06-08 American Phone Products, Inc. Ringer assembly
US5990784A (en) * 1996-12-17 1999-11-23 Yosemite Investment, Inc. Schmitt trigger loud alarm with feedback
US6617967B2 (en) 2001-01-10 2003-09-09 Mallory Sonalert Products, Inc. Piezoelectric siren driver circuit
US6748060B2 (en) 2002-04-08 2004-06-08 Plantronics, Inc. Apparatus and method for providing voice telephone instructions
JP4203899B2 (ja) * 2002-06-13 2009-01-07 オムロンヘルスケア株式会社 電子体温計

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1884724A (en) * 1923-06-19 1932-10-25 Western Electric Co Sound box for phonic diaphragms
NL112535C (ja) * 1956-06-07
DE2203857B2 (de) * 1972-01-27 1979-02-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Erzeugung eines akustischen Rufsignals für Endstellen in Fernmelde-, insbesondere Fernsprechanlagen mittels einer Schwingschaltung
JPS4963860U (ja) * 1972-06-26 1974-06-04
US3826333A (en) * 1973-03-21 1974-07-30 J Buckwalter Baffle for a sound producing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61172465A (ja) * 1985-01-25 1986-08-04 Matsushita Electric Works Ltd 露出電話ト−ンリンガ

Also Published As

Publication number Publication date
CA1104277A (en) 1981-06-30
US4157459A (en) 1979-06-05
DE2845611A1 (de) 1979-04-26

Similar Documents

Publication Publication Date Title
GB2009397B (en) Measurning device
IL52266A0 (en) Microbe-barrier device
ZA784493B (en) Vibratibg device
GB2011265B (en) Amusenement device
GB2011554B (en) Mounting device
JPS53132105A (en) Backkhoe mounting device
JPS53113959A (en) Nonnloosening device
JPS5462709A (en) Device for signalling telephone set or like
GB2072893B (en) Erlectronic device
JPS53120128A (en) Graetssrectifierrbridgeecontrol device
JPS53113499A (en) Trouble signaling device
GB2003308B (en) Coin-delivering device
GB2012583B (en) Sprinklersealing device
JPS53105647A (en) Clutchhreleasing device
JPS5399926A (en) Loudspeaker device
GB2005516B (en) Telephone muliresponder apparatus
JPS5483282A (en) Order combination device
JPS546497A (en) Device for calling attention
JPS53125032A (en) Electrocopying device
GB1523952A (en) Leansing device
JPS53115217A (en) Electrooflashing device
JPS5453996A (en) Device for ringing bell or like
CS188671B1 (en) Spark-safe signalling device
JPS53128527A (en) Facing device
JPS5482198A (en) Warning device utilizing telephone set