CH429218A - Vorrichtung zur Aufzeichnung und zur Wiedergabe von Gesprächssignalen - Google Patents

Vorrichtung zur Aufzeichnung und zur Wiedergabe von Gesprächssignalen

Info

Publication number: CH429218A
Authority: CH; Switzerland
Prior art keywords: recording; voice signals; reproducing voice; reproducing; signals
Prior art date: 1964-04-18

Application number

CH533265A

Other languages

English (en)

Inventor

Anton Greefkes Johannes

Original Assignee

Philips Nv

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.)

1964-04-18

Filing date

1965-04-15

Publication date

1967-01-31

1965-04-15 Application filed by Philips Nv filed Critical Philips Nv

1967-01-31 Publication of CH429218A publication Critical patent/CH429218A/de

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/662—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a time/frequency relationship, e.g. time compression or expansion

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Recording Or Reproducing By Magnetic Means (AREA)
Optical Recording Or Reproduction (AREA)
Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

CH533265A 1964-04-18 1965-04-15 Vorrichtung zur Aufzeichnung und zur Wiedergabe von Gesprächssignalen CH429218A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL646404265A NL143092B (nl)	1964-04-18	1964-04-18	Inrichting voor in de tijd gecomprimeerde of geexpandeerde reproduktie van spraaksignalen.

Publications (1)

Publication Number	Publication Date
CH429218A true CH429218A (de)	1967-01-31

Family

ID=19789866

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH533265A CH429218A (de)	1964-04-18	1965-04-15	Vorrichtung zur Aufzeichnung und zur Wiedergabe von Gesprächssignalen

Country Status (7)

Country	Link
US (1)	US3409743A (de)
BE (1)	BE662658A (de)
CH (1)	CH429218A (de)
DE (1)	DE1285760B (de)
GB (1)	GB1056403A (de)
NL (1)	NL143092B (de)
SE (1)	SE310431B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3828361A (en) *	1971-08-13	1974-08-06	Cambridge Res & Dev Group	Speech compressor-expander
US3869708A (en) *	1971-08-13	1975-03-04	Cambridge Res & Dev Group	Speech compressor with gap filling
US3760681A (en) *	1971-09-10	1973-09-25	Relton Corp	Audible time measuring with discriminating sound for beats within a group
US3988546A (en) *	1974-09-13	1976-10-26	General Signal Corporation	System for audibly recognizing an aurally unclassifiable signal
JPS55113125A (en) *	1979-02-26	1980-09-01	Olympus Optical Co Ltd	Interlocking controller for tape speed and sound quality

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Title
US2183248A (en) *		1939-12-12	Wave translation
US3104881A (en) *		1963-09-24	Ferris
NL126728C (de) *	1961-05-18	1964-11-10

1964
- 1964-04-18 NL NL646404265A patent/NL143092B/xx unknown
1965
- 1965-04-14 SE SE4993/65A patent/SE310431B/xx unknown
- 1965-04-15 CH CH533265A patent/CH429218A/de unknown
- 1965-04-15 GB GB16246/65A patent/GB1056403A/en not_active Expired
- 1965-04-16 BE BE662658A patent/BE662658A/xx unknown
- 1965-04-16 US US448665A patent/US3409743A/en not_active Expired - Lifetime
- 1965-04-17 DE DEN26585A patent/DE1285760B/de not_active Withdrawn

Also Published As

Publication number	Publication date
NL143092B (nl)	1974-08-15
SE310431B (de)	1969-04-28
US3409743A (en)	1968-11-05
DE1285760B (de)	1968-12-19
GB1056403A (en)	1967-01-25
BE662658A (de)	1965-10-18
NL6404265A (de)	1965-10-19

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