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

Other languages

English (en)

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/de

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

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

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 (de)		1974-08-23	Fern Sprechstation

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5333308U (ja) *	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 (ja) *	1981-07-19	1983-01-28	サニ−電子株式会社	インタ−ホン
JPS5835126A (ja) *	1981-08-27	1983-03-01	Sumitomo Chem Co Ltd	イソブチレンの製造方法
JPS58173954U (ja) *	1982-05-17	1983-11-21	ティーオーエー株式会社	秘話拡声両用電話機
JPS60155246U (ja) *	1984-03-26	1985-10-16	三洋電機株式会社	電話機の送受話装置
JPS6224749A (ja) *	1985-07-25	1987-02-02	Fujitsu Ltd	通信機のサウンダ−構造

1975
- 1975-06-17 NL NL7507209A patent/NL7507209A/xx not_active Application Discontinuation
- 1975-06-24 JP JP50078605A patent/JPS5126401A/ja active Pending
- 1975-06-26 AT AT490675A patent/AT341008B/de not_active IP Right Cessation
- 1975-07-16 GB GB29735/75A patent/GB1487465A/en not_active Expired
- 1975-07-21 AR AR259680A patent/AR203520A1/es active
- 1975-07-28 ZA ZA00754822A patent/ZA754822B/xx 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/pt unknown
- 1975-08-20 IT IT26437/75A patent/IT1041872B/it active
- 1975-08-22 FR FR7526031A patent/FR2282761A1/fr active Granted
- 1975-08-22 BE BE159403A patent/BE832673A/xx unknown
- 1975-08-22 SE SE7509392A patent/SE7509392L/xx unknown

Also Published As

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

Similar Documents

Publication	Publication Date	Title
HK20380A (en)	1980-04-25	Improvements in or relating to respirators
ZA755028B (en)	1976-07-28	Improvements in or relating to business forms
ZA755743B (en)	1976-08-25	Improvements in or relating to loudspeaking telephone instruments
ZA753272B (en)	1977-01-26	Improvements relating to pyridobenzodiazepinones
ZA754822B (en)	1976-07-28	Improvements in or relating to telephone sets
ZA751884B (en)	1976-02-25	Improvements in or relating to tennis-rackets
ZA751880B (en)	1976-04-28	Improvements in or relating to electrical connections
ZA765274B (en)	1977-08-31	Improvements in or relating to dialling devices
ZA756468B (en)	1976-09-29	Improvements in or relating to telephone exchange systems
ZA75764B (en)	1976-01-28	Improvements in or relating to teleprinters
ZA756530B (en)	1976-09-29	Improvements in or relating to presses
ZA753831B (en)	1976-05-26	Improvements in or relating to rolls
ZA757497B (en)	1976-11-24	Improvements in or relating to compactors
HK70879A (en)	1979-10-12	Improvements in telephone connectors
ZA757335B (en)	1977-06-29	Improvements in or relating to scrambling speech
MY8100008A (en)	1981-12-31	Improvements in or relating to digital counting arrangements
HK23178A (en)	1978-05-12	Improvements in or relating to telephone exhanges
ZA746110B (en)	1975-12-31	Improvements in or relating to hosereels
ZA752216B (en)	1976-03-31	Improvements in or relating to telephone exchanges
ZA755449B (en)	1977-04-27	Improvements in or relating to sectional members
ZA755408B (en)	1976-07-28	Improvements in or relating to telephone systems
MY7900218A (en)	1979-12-31	Improvements in or relating to telephone sets
ZA742681B (en)	1975-12-31	Improvements in or relating to knitting
ZA737963B (en)	1974-10-30	Improvements in or relating to telephone sets
ZA744721B (en)	1976-06-30	Improvements in or relating to pit-props