CH182116A - Apparecchio per la registrazione elettromagnetica di suoni e per la loro riproduzione. - Google Patents

Apparecchio per la registrazione elettromagnetica di suoni e per la loro riproduzione.

Info

Publication number: CH182116A
Authority: CH; Switzerland
Prior art keywords: sounds; reproduction; electromagnetic recording; electromagnetic; recording
Prior art date: 1933-08-07

Application number

Other languages

English (en)

Inventor

Bedeschi Gaetano

Monti Gaetano

Original Assignee

Bedeschi Gaetano

Monti Gaetano

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.)

1933-08-07

Filing date

1934-08-04

Publication date

1936-01-31

1934-08-04 Application filed by Bedeschi Gaetano, Monti Gaetano filed Critical Bedeschi Gaetano

1936-01-31 Publication of CH182116A publication Critical patent/CH182116A/it

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)
Mobile Radio Communication Systems (AREA)

CH182116D 1933-08-07 1934-08-04 Apparecchio per la registrazione elettromagnetica di suoni e per la loro riproduzione. CH182116A (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT182116X		1933-08-07
IT445343X		1934-07-18

Publications (1)

Publication Number	Publication Date
CH182116A true CH182116A (it)	1936-01-31

Family

ID=31995795

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH182116D CH182116A (it)	1933-08-07	1934-08-04	Apparecchio per la registrazione elettromagnetica di suoni e per la loro riproduzione.

Country Status (4)

Country	Link
US (1)	US2053760A (it)
CH (1)	CH182116A (it)
FR (1)	FR778053A (it)
GB (1)	GB445343A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2572157A (en) *	1947-12-31	1951-10-23	Air King Products Co Inc	Combination radio-wire recorder
US2745904A (en) *	1948-02-28	1956-05-15	Int Electronics Co	Magnetic recording machine

1934
- 1934-07-31 US US737718A patent/US2053760A/en not_active Expired - Lifetime
- 1934-08-04 CH CH182116D patent/CH182116A/it unknown
- 1934-08-07 GB GB22908/34A patent/GB445343A/en not_active Expired
- 1934-08-07 FR FR778053D patent/FR778053A/fr not_active Expired

Also Published As

Publication number	Publication date
FR778053A (fr)	1935-03-08
US2053760A (en)	1936-09-08
GB445343A (en)	1936-04-07

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