CH57169A - Impulse transmitter for optional calling of telephone or signal stations - Google Patents

Impulse transmitter for optional calling of telephone or signal stations

Info

Publication number: CH57169A
Authority: CH; Switzerland
Prior art keywords: telephone; impulse transmitter; signal stations; optional calling; calling
Prior art date: 1911-07-08

Application number

CH57169A

Other languages

German (de)

Inventor

Co Bell Telephon Manufacturing

Original Assignee

Bell Telephone Mfg

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.)

1911-07-08

Filing date

1911-07-08

Publication date

1912-12-16

1911-07-08 Application filed by Bell Telephone Mfg filed Critical Bell Telephone Mfg

1912-12-16 Publication of CH57169A publication Critical patent/CH57169A/en

Links

CH57169A 1911-07-08 1911-07-08 Impulse transmitter for optional calling of telephone or signal stations CH57169A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH57169T		1911-07-08

Publications (1)

Publication Number	Publication Date
CH57169A true CH57169A (en)	1912-12-16

Family

ID=4298184

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH57169A CH57169A (en)	1911-07-08	1911-07-08	Impulse transmitter for optional calling of telephone or signal stations

Country Status (1)

Country	Link
CH (1)	CH57169A (en)

1911
- 1911-07-08 CH CH57169A patent/CH57169A/en unknown

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