GB650867A - - Google Patents

Info

Publication number: GB650867A
Authority: GB; United Kingdom
Prior art keywords: frame; plate; printed circuit; nov; hearing aid
Prior art date: 1947-11-24
Legal status (The legal status 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 status listed.): Active

Application number

Other languages

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.)

1947-11-24

Publication of GB650867A publication Critical patent/GB650867A/en

Status Active legal-status Critical Current

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/04—Arrangements of circuit components or wiring on supporting structure on conductive chassis
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/04—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception comprising pocket amplifiers
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2009—Reinforced areas, e.g. for a specific part of a flexible printed circuit
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/909—Medical use or attached to human body

Landscapes

Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Neurosurgery (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Connection Of Batteries Or Terminals (AREA)
Casings For Electric Apparatus (AREA)
Mounting Of Printed Circuit Boards And The Like (AREA)

GB650867D 1947-11-24 Active GB650867A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US787714A US2495546A (en)	1947-11-24	1947-11-24	Hearing aid chassis

Publications (1)

Publication Number	Publication Date
GB650867A true GB650867A (da)

Family

ID=25142338

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB650867D Active GB650867A (da)	1947-11-24

Country Status (6)

Country	Link
US (1)	US2495546A (da)
BE (1)	BE485721A (da)
DE (1)	DE804444C (da)
FR (1)	FR974291A (da)
GB (1)	GB650867A (da)
NL (1)	NL71916C (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2899608A (en) *		1959-08-11		Multiple element printed circuit component
US2761018A (en) *	1949-03-02	1956-08-28	Paravox Inc	Hearing aid having a molded chassis
US2650267A (en) *	1949-08-26	1953-08-25	Maico Company Inc	Hearing aid construction
US2692305A (en) *	1950-06-26	1954-10-19	Microtone Company Inc	Hearing and unit
US2902630A (en) *	1956-05-03	1959-09-01	Jr Vincent M Heazel	Hermetically sealed package for electronic component
US2959645A (en) *	1956-05-22	1960-11-08	Ladd John	Hearing aid
US3011379A (en) *	1957-02-05	1961-12-05	Baldwin Piano Co	Electronic musical instrument with photoelectric switching
US3710194A (en) *	1971-02-11	1973-01-09	Westinghouse Electric Corp	Concealed adjustable element for electronic circuit cards
JPS5683096A (en) *	1979-12-10	1981-07-07	Sony Corp	Hybrid integrated circuit and method of manufacturing same
DE3245030A1 (de) *	1982-12-06	1984-06-07	Siemens AG, 1000 Berlin und 8000 München	Kleinhoergeraet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1688976A (en) *	1924-06-21	1928-10-23	Western Electric Co	Audiphone
US1804676A (en) *	1925-03-05	1931-05-12	Columbia Phono Graph Company I	Radio apparatus
US2441960A (en) *	1943-02-02	1948-05-25	Eisler Paul	Manufacture of electric circuit components
US2444302A (en) *	1943-03-16	1948-06-29	E A Myers & Sons	Hearing aid
US2453192A (en) *	1944-09-08	1948-11-09	Bell Telephone Labor Inc	Moisture impervious vent

0
- GB GB650867D patent/GB650867A/en active Active
- BE BE485721D patent/BE485721A/xx unknown
- NL NL71916D patent/NL71916C/xx active
1947
- 1947-11-24 US US787714A patent/US2495546A/en not_active Expired - Lifetime
1948
- 1948-10-25 FR FR974291D patent/FR974291A/fr not_active Expired
1949
- 1949-11-01 DE DEB435A patent/DE804444C/de not_active Expired

Also Published As

Publication number	Publication date
FR974291A (fr)	1951-02-20
DE804444C (de)	1951-04-23
NL71916C (da)
US2495546A (en)	1950-01-24
BE485721A (da)

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