FR96057E - Perfectionnements aux systemes téléphoniques. - Google Patents

Perfectionnements aux systemes téléphoniques.

Info

Publication number: FR96057E
Authority: FR; France
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1967-10-30
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

Application number

FR171874A

Other languages

English (en)

Inventor

Doyle Vindal Carmody

John Samuel Welch

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.)

International Standard Electric Corp

Original Assignee

International Standard Electric Corp

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.)

1967-10-30

Publication date

1972-05-19

1972-05-19 Application granted granted Critical

1972-05-19 Publication of FR96057E publication Critical patent/FR96057E/fr

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Interface Circuits In Exchanges (AREA)
Devices For Supply Of Signal Current (AREA)

FR171874A 1967-10-30 Perfectionnements aux systemes téléphoniques. Expired FR96057E (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US67880467A	1967-10-30	1967-10-30

Publications (1)

Publication Number	Publication Date
FR96057E true FR96057E (fr)	1972-05-19

Family

ID=24724353

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR171874A Expired FR96057E (fr)	1967-10-30		Perfectionnements aux systemes téléphoniques.

Country Status (3)

Country	Link
US (1)	US3579254A (fr)
ES (1)	ES359747A2 (fr)
FR (1)	FR96057E (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4079205A (en) *	1976-02-12	1978-03-14	Cook Electric Company	Automatic number identification device
US4099031A (en) *	1976-12-17	1978-07-04	Proctor & Associates Company	Method and apparatus for automatically identifying an individual calling party on a multiparty telephone line
US4310723A (en) *	1980-08-01	1982-01-12	Svala Carl G	Party line apparatus
US4412101A (en) *	1981-12-03	1983-10-25	Proctor & Associates Co.	Call data monitoring for electromechanical telephone switching systems
US5216703A (en) *	1991-06-17	1993-06-01	Pactel Corporation	Piggy-back number and routing isolation for cellular telephone switches

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2562594A (en) *	1949-05-11	1951-07-31	Automatic Elect Lab	Line and station detecting apparatus
US2824173A (en) *	1954-11-18	1958-02-18	Bell Telephone Labor Inc	Transistor selective ringing, dialing, and party identification circuit
DE1222990B (de) *	1962-09-14	1966-08-18	Siemens Ag	Schaltungsanordnung fuer Gesellschaftsleitungen in Fernmelde-, insbesondere Fernsprechanlagen
US3278687A (en) *	1963-07-19	1966-10-11	Stromberg Carlson Corp	Four-layer diode network for identifying parties on a telephone line

0
- FR FR171874A patent/FR96057E/fr not_active Expired
1967
- 1967-10-30 US US67880A patent/US3579254A/en not_active Expired - Lifetime
1968
- 1968-10-30 ES ES359747A patent/ES359747A2/es not_active Expired

Also Published As

Publication number	Publication date
US3579254A (en)	1971-05-18
ES359747A2 (es)	1970-06-16

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