GB381532A - Improvements in apparatus for obtaining connections in automatic telephony systems - Google Patents

Improvements in apparatus for obtaining connections in automatic telephony systems

Info

Publication number: GB381532A
Authority: GB; United Kingdom
Prior art keywords: shaft; discs; sliders; pairs; blade member
Prior art date: 1931-07-30
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

GB20641/32A

Other languages

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.)

Individual

Original Assignee

Individual

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.)

1931-07-30

Filing date

1932-07-21

Publication date

1932-10-06

1932-07-21 Application filed by Individual filed Critical Individual

1932-10-06 Publication of GB381532A publication Critical patent/GB381532A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Transmission Devices (AREA)
Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Mechanical Operated Clutches (AREA)
Massaging Devices (AREA)
Reciprocating, Oscillating Or Vibrating Motors (AREA)
Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

GB20641/32A 1931-07-30 1932-07-21 Improvements in apparatus for obtaining connections in automatic telephony systems Expired GB381532A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FR722574T		1931-07-30
FR722573T		1931-07-30
FR626065X		1932-06-14

Publications (1)

Publication Number	Publication Date
GB381532A true GB381532A (en)	1932-10-06

Family

ID=31950328

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
GB20641/32A Expired GB381532A (en)	1931-07-30	1932-07-21	Improvements in apparatus for obtaining connections in automatic telephony systems
GB20642/32A Expired GB390385A (en)	1931-07-30	1932-07-21	Improvements in apparatus for obtaining connections in automatic telephony systems
GB16774/33A Expired GB402355A (en)	1931-07-30	1933-06-12	Improvements in impulse transmitting apparatus for automatic telephony systems

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
GB20642/32A Expired GB390385A (en)	1931-07-30	1932-07-21	Improvements in apparatus for obtaining connections in automatic telephony systems
GB16774/33A Expired GB402355A (en)	1931-07-30	1933-06-12	Improvements in impulse transmitting apparatus for automatic telephony systems

Country Status (5)

Country	Link
US (1)	US2075634A (fr)
BE (2)	BE389662A (fr)
DE (2)	DE605586C (fr)
FR (5)	FR722573A (fr)
GB (3)	GB381532A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE974163C (de) *	1953-04-15	1960-10-06	Klaus Dipl-Phys Mueller	Zusatzgeraet an Teilnehmerstellen zur selbsttaetigen Herstellung von Fernmelde-, insbesondere Fernsprech- oder Fernschreibverbindungen
DE970582C (de) *	1954-12-29	1958-10-09	Deutsche Telephonwerk Kabel	Vorrichtung zum Aufzeichnen und/oder Wiedergeben und/oder Loeschen von auf einen umlaufenden Traeger elektromagnetisch auftragbaren Stromstoessen, insbesondere fuer in Fernsprechanlagen mit Waehlerbetrieb verwendbare Stromstosssender
FR1220058A (fr) *	1958-12-22	1960-05-23	Cie Crouzet	Procédé d'appel téléphonique automatique pour abonnés reliés à un central téléphonique automatique et moyens pour la mise en oeuvre de ce procédé
NL246748A (fr) *	1959-01-14
CN103778964B (zh) *	2013-12-30	2016-08-17	上海晨思电子科技有限公司	一种NAND Flash烧写数据的处理、使用方法及装置、系统

0
- BE BE396680D patent/BE396680A/xx unknown
1931
- 1931-07-30 FR FR722573D patent/FR722573A/fr not_active Expired
- 1931-07-30 FR FR722574D patent/FR722574A/fr not_active Expired
- 1931-09-21 FR FR40913D patent/FR40913E/fr not_active Expired
1932
- 1932-06-04 FR FR44052D patent/FR44052E/fr not_active Expired
- 1932-06-14 FR FR44053D patent/FR44053E/fr not_active Expired
- 1932-07-06 BE BE389662D patent/BE389662A/xx unknown
- 1932-07-21 GB GB20641/32A patent/GB381532A/en not_active Expired
- 1932-07-21 GB GB20642/32A patent/GB390385A/en not_active Expired
- 1932-07-28 DE DEB156751D patent/DE605586C/de not_active Expired
1933
- 1933-06-03 DE DEB161130D patent/DE626065C/de not_active Expired
- 1933-06-08 US US674792A patent/US2075634A/en not_active Expired - Lifetime
- 1933-06-12 GB GB16774/33A patent/GB402355A/en not_active Expired

Also Published As

Publication number	Publication date
FR722573A (fr)	1932-03-26
FR40913E (fr)	1932-09-16
BE389662A (fr)	1932-08-31
GB402355A (en)	1933-11-30
FR44053E (fr)	1934-10-11
DE626065C (de)	1936-02-27
US2075634A (en)	1937-03-30
GB390385A (en)	1933-04-06
FR722574A (fr)	1932-03-26
FR44052E (fr)	1934-10-11
BE396680A (fr)
DE605586C (de)	1934-11-19

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