CH204653A - Fernsprechanlage mit Münzfernsprecher. - Google Patents

Fernsprechanlage mit Münzfernsprecher.

Info

Publication number: CH204653A
Authority: CH; Switzerland
Prior art keywords: telephone system; pay phone; pay; phone; telephone
Prior art date: 1938-04-09

Application number

Other languages

English (en)

Inventor

A-G Albiswerk Zuerich

Original Assignee

Siemens Ag Albis

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.)

1938-04-09

Filing date

1938-04-09

Publication date

1939-05-15

1938-04-09 Application filed by Siemens Ag Albis filed Critical Siemens Ag Albis

1939-05-15 Publication of CH204653A publication Critical patent/CH204653A/de

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Computer Security & Cryptography (AREA)
Signal Processing (AREA)
Prepayment Telephone Systems (AREA)
Meter Arrangements (AREA)

CH204653D 1938-04-09 1938-04-09 Fernsprechanlage mit Münzfernsprecher. CH204653A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH204653T		1938-04-09

Publications (1)

Publication Number	Publication Date
CH204653A true CH204653A (de)	1939-05-15

Family

ID=4444261

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH204653D CH204653A (de)	1938-04-09	1938-04-09	Fernsprechanlage mit Münzfernsprecher.

Country Status (2)

Country	Link
CH (1)	CH204653A (de)
DE (1)	DE715763C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH228347A (fr) *	1942-01-15	1943-08-15	Sodeco Compteurs De Geneve	Appareil téléphonique à paiement préalable.

1938
- 1938-04-09 CH CH204653D patent/CH204653A/de unknown
1939
- 1939-03-30 DE DEA89263D patent/DE715763C/de not_active Expired

Also Published As

Publication number	Publication date
DE715763C (de)	1942-01-07

Similar Documents

Publication	Publication Date	Title
CH210435A (de)	1940-07-15	Mehrfachtelephonieanlage.
CH235875A (fr)	1944-12-31	Installation téléphonique.
CH267007A (de)	1950-02-28	Fernsprechgerät.
FR951376A (fr)	1949-10-24	Système téléphonique
CH276283A (fr)	1951-06-30	Installation téléphonique.
CH214512A (de)	1941-04-30	Fernsprechanlage mit Münzfernsprecher.
CH210688A (de)	1940-07-31	Vorrichtung an Telephon-Apparaten mit Mikrotelephon.
CH203559A (de)	1939-03-15	Fernsprechanlage mit Münzfernsprecher.
CH204653A (de)	1939-05-15	Fernsprechanlage mit Münzfernsprecher.
CH218528A (de)	1941-12-15	Telephon-Teilnehmerstation.
CH194900A (de)	1937-12-31	Telephonhörer.
US2254113A (en)	1941-08-26	Telephone system
CH234264A (de)	1944-09-15	Telephonanlage.
DK57984C (da)	1940-09-16	Telefonanlæg.
CH202986A (de)	1939-02-15	Münzfernsprecher.
CH196097A (de)	1938-02-28	Gebührenmelder an Fernsprechteilnehmerstellen.
FR848445A (fr)	1939-10-30	Installation téléphonique
FR853409A (fr)	1940-03-19	écouteur téléphonique
FR852648A (fr)	1940-02-28	Systèmes téléphoniques
CA378132A (en)	1938-12-06	Telephone ringing system
DK72131C (da)	1951-02-12	Telefonsystem.
DK71786C (da)	1950-12-04	Telefonanlæg.
DK71587C (da)	1950-10-16	Telefonsystem.
DK74456C (da)	1952-07-21	Halvautomatisk telefonanlæg.
CH219812A (de)	1942-02-28	Telephon.