BE485721A - - Google Patents
Info
- Publication number
- BE485721A BE485721A BE485721DA BE485721A BE 485721 A BE485721 A BE 485721A BE 485721D A BE485721D A BE 485721DA BE 485721 A BE485721 A BE 485721A
- Authority
- BE
- Belgium
Links
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)
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 |
---|---|
BE485721A true BE485721A (ko) |
Family
ID=25142338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE485721D BE485721A (ko) | 1947-11-24 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2495546A (ko) |
BE (1) | BE485721A (ko) |
DE (1) | DE804444C (ko) |
FR (1) | FR974291A (ko) |
GB (1) | GB650867A (ko) |
NL (1) | NL71916C (ko) |
Families Citing this family (10)
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 |
DE8234198U1 (de) * | 1982-12-06 | 1986-03-13 | Siemens AG, 1000 Berlin und 8000 München | Kleinhörgerät |
Family Cites Families (5)
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 |
---|---|
DE804444C (de) | 1951-04-23 |
FR974291A (fr) | 1951-02-20 |
GB650867A (ko) | |
NL71916C (ko) | |
US2495546A (en) | 1950-01-24 |