ZA754822B - Improvements in or relating to telephone sets - Google Patents

Improvements in or relating to telephone sets

Info

Publication number: ZA754822B
Authority: ZA; South Africa
Prior art keywords: relating; telephone sets; telephone; sets
Prior art date: 1974-08-23

Application number

ZA00754822A

Inventor

E Martin

K Baier

Original Assignee

Siemens Ag

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.)

1974-08-23

Filing date

1975-07-28

Publication date

1976-07-28

1974-08-23 Priority claimed from DE19742440511 external-priority patent/DE2440511C3/en

1975-07-28 Application filed by Siemens Ag filed Critical Siemens Ag

1976-07-28 Publication of ZA754822B publication Critical patent/ZA754822B/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)

ZA00754822A 1974-08-23 1975-07-28 Improvements in or relating to telephone sets ZA754822B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742440511 DE2440511C3 (en)		1974-08-23	Remote speaking station

Publications (1)

Publication Number	Publication Date
ZA754822B true ZA754822B (en)	1976-07-28

Family

ID=5923950

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00754822A ZA754822B (en)	1974-08-23	1975-07-28	Improvements in or relating to telephone sets

Country Status (13)

Country	Link
JP (1)	JPS5126401A (en)
AR (1)	AR203520A1 (en)
AT (1)	AT341008B (en)
AU (1)	AU500043B2 (en)
BE (1)	BE832673A (en)
BR (1)	BR7505312A (en)
CH (1)	CH596720A5 (en)
FR (1)	FR2282761A1 (en)
GB (1)	GB1487465A (en)
IT (1)	IT1041872B (en)
NL (1)	NL7507209A (en)
SE (1)	SE7509392L (en)
ZA (1)	ZA754822B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5333308U (en) *	1976-08-30	1978-03-23
JPS53105106A (en) *	1977-02-24	1978-09-13	San Terehon Kk	Buzzer circuit
JPS57155845A (en) *	1981-03-20	1982-09-27	Nippon Telegr & Teleph Corp <Ntt>	Dial confirming tone information system for radio telephone set
JPS5813767U (en) *	1981-07-19	1983-01-28	サニ−電子株式会社	intercom
JPS5835126A (en) *	1981-08-27	1983-03-01	Sumitomo Chem Co Ltd	Isobutylene manufacturing method
JPS58173954U (en) *	1982-05-17	1983-11-21	ティーオーエー株式会社	Confidential loudspeaker phone
JPS60155246U (en) *	1984-03-26	1985-10-16	三洋電機株式会社	Telephone handset device
JPS6224749A (en) *	1985-07-25	1987-02-02	Fujitsu Ltd	Communication device sounder structure

1975
- 1975-06-17 NL NL7507209A patent/NL7507209A/en not_active Application Discontinuation
- 1975-06-24 JP JP50078605A patent/JPS5126401A/ja active Pending
- 1975-06-26 AT AT490675A patent/AT341008B/en not_active IP Right Cessation
- 1975-07-16 GB GB29735/75A patent/GB1487465A/en not_active Expired
- 1975-07-21 AR AR259680A patent/AR203520A1/en active
- 1975-07-28 ZA ZA00754822A patent/ZA754822B/en unknown
- 1975-07-31 AU AU83547/75A patent/AU500043B2/en not_active Expired
- 1975-08-14 CH CH1058375A patent/CH596720A5/xx not_active IP Right Cessation
- 1975-08-20 BR BR7505312*A patent/BR7505312A/en unknown
- 1975-08-20 IT IT26437/75A patent/IT1041872B/en active
- 1975-08-22 FR FR7526031A patent/FR2282761A1/en active Granted
- 1975-08-22 SE SE7509392A patent/SE7509392L/en unknown
- 1975-08-22 BE BE159403A patent/BE832673A/en unknown

Also Published As

Publication number	Publication date
AR203520A1 (en)	1975-09-15
AU500043B2 (en)	1979-05-10
DE2440511A1 (en)	1976-03-04
AT341008B (en)	1978-01-10
CH596720A5 (en)	1978-03-15
IT1041872B (en)	1980-01-10
FR2282761B1 (en)	1980-08-29
BR7505312A (en)	1976-08-03
ATA490675A (en)	1977-05-15
FR2282761A1 (en)	1976-03-19
GB1487465A (en)	1977-09-28
DE2440511B2 (en)	1976-08-26
NL7507209A (en)	1976-02-25
JPS5126401A (en)	1976-03-04
AU8354775A (en)	1977-02-03
SE7509392L (en)	1976-02-24
BE832673A (en)	1976-02-23

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