BR8801622A - Telefone para ligacao a extremidade de linha telefonica e telefone para ligacao a extremidade de um par de linhas telefonicas - Google Patents

Telefone para ligacao a extremidade de linha telefonica e telefone para ligacao a extremidade de um par de linhas telefonicas

Info

Publication number: BR8801622A
Authority: BR; Brazil
Prior art keywords: telephone; lines; pair; line; handset
Prior art date: 1987-04-14

Application number

BR8801622A

Other languages

English (en)

Inventor

Ernst Thomke

Markus Kappeler

Original Assignee

Ebauchesfabrik Eta Ag

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.)

1987-04-14

Filing date

1988-04-06

Publication date

1988-11-08

1987-04-14 Priority claimed from CH1456/87A external-priority patent/CH669697A5/fr

1987-04-23 Priority claimed from FR8705795A external-priority patent/FR2614487B1/fr

1988-04-06 Application filed by Ebauchesfabrik Eta Ag filed Critical Ebauchesfabrik Eta Ag

1988-11-08 Publication of BR8801622A publication Critical patent/BR8801622A/pt

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
- H04M1/715—Substation extension arrangements using two or more extensions per line
- 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

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)
Telephone Function (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)
Telephonic Communication Services (AREA)
Developing Agents For Electrophotography (AREA)
Graft Or Block Polymers (AREA)

BR8801622A 1987-04-14 1988-04-06 Telefone para ligacao a extremidade de linha telefonica e telefone para ligacao a extremidade de um par de linhas telefonicas BR8801622A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH1456/87A CH669697A5 (en)	1987-04-14	1987-04-14	Telephone for simultaneous conversion between two persons and caller
FR8705795A FR2614487B1 (fr)	1987-04-23	1987-04-23	Appareil telephonique

Publications (1)

Publication Number	Publication Date
BR8801622A true BR8801622A (pt)	1988-11-08

Family

ID=25687707

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8801622A BR8801622A (pt)	1987-04-14	1988-04-06	Telefone para ligacao a extremidade de linha telefonica e telefone para ligacao a extremidade de um par de linhas telefonicas

Country Status (13)

Country	Link
US (1)	US4817138A (pt)
EP (1)	EP0287511B1 (pt)
JP (1)	JPS63279645A (pt)
KR (1)	KR940003841B1 (pt)
CN (1)	CN1011020B (pt)
AT (1)	ATE73284T1 (pt)
AU (1)	AU594294B2 (pt)
BR (1)	BR8801622A (pt)
CA (1)	CA1281445C (pt)
DE (2)	DE8816921U1 (pt)
ES (1)	ES2031278T3 (pt)
HK (1)	HK106596A (pt)
SG (1)	SG36707G (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2648653B1 (fr) *	1989-06-19	1991-09-13	Ebauchesfabrik Eta Ag	Dispositif telephonique destine a etre relie a plusieurs lignes telephoniques
FR2648976B1 (fr) *	1989-06-22	1991-09-20	Ebauchesfabrik Eta Ag	Appareil telephonique
FR2674400B1 (fr) *	1991-03-21	1993-07-23	Swatch Ag	Appareil telephonique.
GB2298757A (en) *	1995-03-07	1996-09-11	John Folley	Multiple handset telephone
US5784456A (en) *	1995-06-29	1998-07-21	Cyracom International, Inc.	Single-line multi-handset telephone
DE19626933C5 (de) *	1996-07-04	2009-08-06	Deutsche Telekom Ag	Handapparat für Telefone
CN1161745C (zh) *	1998-12-31	2004-08-11	约翰·A·布莱克曼	声音发生器及产生声音的方法
KR100359519B1 (ko)	2000-03-16	2002-10-31	주식회사 동남 실리콘	키패드 일체형 통신기기용 전면 커버
US7177434B2 (en) *	2002-01-18	2007-02-13	Sing-A-Tune Balloons, Llc	Stepped sound producing module
FR2841718B1 (fr) *	2002-07-01	2005-12-02	France Telecom	Terminal mobile concu pour etre utilisable simultanement par plusieurs utilisateurs et application du terminal mobile a un systeme de traduction simultanee
JP2004312171A (ja) *	2003-04-03	2004-11-04	Temuko Japan:Kk	電話機用送受話器
US20050164597A1 (en) *	2004-01-23	2005-07-28	Tripoli Melchiore (Mike) Iii	System and method for attaching components within an inflatable object
US6994219B2 (en) *	2004-01-26	2006-02-07	General Electric Company	Method for magnetic/ferrofluid separation of particle fractions
USD569838S1 (en)	2007-09-10	2008-05-27	Cyracom International, Inc.	Dual-handset telephone base

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2589180A (en) *	1949-06-10	1952-03-11	Automatic Elect Lab	Multiline telephone substation instrument and circuits
US2780677A (en) *	1955-03-18	1957-02-05	Automatic Elect Lab	Multi-line telephone substation
BE560891A (pt) *	1956-10-05
US3022387A (en) *	1958-10-01	1962-02-20	Laura W Triest	Telephone attachment
NL246794A (pt) *	1959-12-24
US3792205A (en) *	1971-06-01	1974-02-12	Communic Mfg	Hand held telephone test instrument
US4107477A (en) *	1977-03-09	1978-08-15	Marvin Glass & Associates	Multi-subscriber telephone apparatus
US4178488A (en) *	1977-08-02	1979-12-11	Toa Electric Co., Ltd.	Telephone set
GB2087686B (en) *	1980-10-17	1984-05-31	Lambda Tele Equipment Ltd	One piece telephone
US4636585A (en) *	1983-07-08	1987-01-13	Geobra Brandstatter Gmbh & Co. Kg	Telephone installations
US4536621A (en) *	1984-05-08	1985-08-20	Ipc Communications, Ltd.	Dual talk path key telephone

1988
- 1988-04-05 EP EP88810221A patent/EP0287511B1/fr not_active Expired - Lifetime
- 1988-04-05 DE DE8816921U patent/DE8816921U1/de not_active Expired - Lifetime
- 1988-04-05 DE DE8888810221T patent/DE3868671D1/de not_active Expired - Lifetime
- 1988-04-05 AT AT88810221T patent/ATE73284T1/de not_active IP Right Cessation
- 1988-04-05 ES ES198888810221T patent/ES2031278T3/es not_active Expired - Lifetime
- 1988-04-05 SG SG1995903738A patent/SG36707G/en unknown
- 1988-04-06 BR BR8801622A patent/BR8801622A/pt not_active IP Right Cessation
- 1988-04-13 AU AU14585/88A patent/AU594294B2/en not_active Ceased
- 1988-04-13 CA CA000563999A patent/CA1281445C/en not_active Expired - Lifetime
- 1988-04-13 US US07/181,278 patent/US4817138A/en not_active Expired - Lifetime
- 1988-04-14 JP JP63090463A patent/JPS63279645A/ja active Granted
- 1988-04-14 KR KR1019880004328A patent/KR940003841B1/ko not_active IP Right Cessation
- 1988-04-14 CN CN88102267A patent/CN1011020B/zh not_active Expired
1996
- 1996-06-19 HK HK106596A patent/HK106596A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPH0418502B2 (pt)	1992-03-27
DE3868671D1 (de)	1992-04-09
US4817138A (en)	1989-03-28
CN88102267A (zh)	1988-11-02
ATE73284T1 (de)	1992-03-15
EP0287511A1 (fr)	1988-10-19
CA1281445C (en)	1991-03-12
AU1458588A (en)	1988-10-20
KR940003841B1 (ko)	1994-05-03
CN1011020B (zh)	1990-12-26
EP0287511B1 (fr)	1992-03-04
SG36707G (en)	1995-09-18
HK106596A (en)	1996-06-28
JPS63279645A (ja)	1988-11-16
KR880013343A (ko)	1988-11-30
ES2031278T3 (es)	1992-12-01
AU594294B2 (en)	1990-03-01
DE8816921U1 (de)	1991-04-04

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Legal Events

Date	Code	Title	Description
2008-09-02	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 06/04/2003