CH189515A - Telephonhörer. - Google Patents

Telephonhörer.

Info

Publication number: CH189515A
Authority: CH; Switzerland
Prior art keywords: telephone receiver; telephone; receiver
Prior art date: 1934-02-02

Application number

Other languages

English (en)

Inventor

Hausdorf Erich

Original Assignee

Hausdorf Erich

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.)

1934-02-02

Filing date

1935-01-18

Publication date

1937-02-28

1935-01-18 Application filed by Hausdorf Erich filed Critical Hausdorf Erich

1937-02-28 Publication of CH189515A publication Critical patent/CH189515A/de

Links

CH189515D 1934-02-02 1935-01-18 Telephonhörer. CH189515A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE189515X		1934-02-02

Publications (1)

Publication Number	Publication Date
CH189515A true CH189515A (de)	1937-02-28

Family

ID=5721360

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH189515D CH189515A (de)	1934-02-02	1935-01-18	Telephonhörer.

Country Status (1)

Country	Link
CH (1)	CH189515A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE943357C (de) *	1952-11-25	1956-05-17	Telefonbau & Normalzeit Gmbh	Elektroakustischer Wandler, insbesondere Hoererkapsel fuer Mikrotelefone von Fernsprechapparaten

1935
- 1935-01-18 CH CH189515D patent/CH189515A/de unknown

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE943357C (de) *	1952-11-25	1956-05-17	Telefonbau & Normalzeit Gmbh	Elektroakustischer Wandler, insbesondere Hoererkapsel fuer Mikrotelefone von Fernsprechapparaten

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