CH551121A - Empfangs- und sendegeraet als zusatzgeraet zu einer telephonteilnehmerstation. - Google Patents

Empfangs- und sendegeraet als zusatzgeraet zu einer telephonteilnehmerstation.

Info

Publication number: CH551121A
Authority: CH; Switzerland
Prior art keywords: receiver; subscriber station; telephone subscriber; transmitter; additional
Prior art date: 1971-08-30

Application number

CH1243972A

Other languages

English (en)

Original Assignee

Fracassi Bruno

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.)

1971-08-30

Filing date

1972-08-22

Publication date

1974-06-28

1971-08-30 Priority claimed from IT5256771A external-priority patent/IT1013012B/it

1971-10-21 Priority claimed from IT5360271A external-priority patent/IT1045055B/it

1972-08-22 Application filed by Fracassi Bruno filed Critical Fracassi Bruno

1974-06-28 Publication of CH551121A publication Critical patent/CH551121A/de

Classifications

- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute

Landscapes

Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
Audiology, Speech & Language Pathology (AREA)
General Health & Medical Sciences (AREA)
Business, Economics & Management (AREA)
Physics & Mathematics (AREA)
Educational Administration (AREA)
Educational Technology (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Telephone Set Structure (AREA)

CH1243972A 1971-08-30 1972-08-22 Empfangs- und sendegeraet als zusatzgeraet zu einer telephonteilnehmerstation. CH551121A (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT5256771A IT1013012B (it)	1971-08-30	1971-08-30	Dispositivo rice trasmittente per comunicazioni tra o con sordi muti e deboli di udito con l ausilio di normale apparecchio telefonico
IT5360271A IT1045055B (it)	1971-10-21	1971-10-21	Dispositivo rioe trasmittente per comunicazioni tra e con sordi miti e deroli d udito con l ausilio di normale apparecchio telefonico

Publications (1)

Publication Number	Publication Date
CH551121A true CH551121A (de)	1974-06-28

Family

ID=26329478

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1243972A CH551121A (de)	1971-08-30	1972-08-22	Empfangs- und sendegeraet als zusatzgeraet zu einer telephonteilnehmerstation.

Country Status (7)

Country	Link
JP (1)	JPS4833709A (de)
BE (1)	BE799530Q (de)
CH (1)	CH551121A (de)
DE (1)	DE2242253A1 (de)
FR (1)	FR2152015A5 (de)
GB (1)	GB1400042A (de)
NL (1)	NL7211774A (de)

1972
- 1972-08-22 CH CH1243972A patent/CH551121A/de not_active IP Right Cessation
- 1972-08-23 GB GB3931272A patent/GB1400042A/en not_active Expired
- 1972-08-28 DE DE19722242253 patent/DE2242253A1/de active Pending
- 1972-08-29 JP JP8591472A patent/JPS4833709A/ja active Pending
- 1972-08-29 NL NL7211774A patent/NL7211774A/xx unknown
- 1972-08-30 FR FR7230855A patent/FR2152015A5/fr not_active Expired
1973
- 1973-05-15 BE BE131104A patent/BE799530Q/xx active

Also Published As

Publication number	Publication date
JPS4833709A (de)	1973-05-12
FR2152015A5 (de)	1973-04-20
NL7211774A (de)	1973-03-02
GB1400042A (en)	1975-07-16
DE2242253A1 (de)	1973-03-08
BE799530Q (fr)	1973-08-31

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Legal Events

Date	Code	Title	Description
1977-03-31	PL	Patent ceased