NO117643B - - Google Patents
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- Publication number
- NO117643B NO117643B NO163952A NO16395266A NO117643B NO 117643 B NO117643 B NO 117643B NO 163952 A NO163952 A NO 163952A NO 16395266 A NO16395266 A NO 16395266A NO 117643 B NO117643 B NO 117643B
- Authority
- NO
- Norway
- Prior art keywords
- hydrogen
- approx
- per cent
- reaction
- percent
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 239000001257 hydrogen Substances 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 16
- 239000011734 sodium Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- -1 phosphide Chemical compound 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052712 strontium Inorganic materials 0.000 claims description 5
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 4
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 4
- 150000004678 hydrides Chemical class 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 229910021332 silicide Inorganic materials 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims 1
- 150000002736 metal compounds Chemical class 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 27
- 239000005997 Calcium carbide Substances 0.000 description 16
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 16
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 15
- 239000007789 gas Substances 0.000 description 15
- CSDQQAQKBAQLLE-UHFFFAOYSA-N 4-(4-chlorophenyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine Chemical compound C1=CC(Cl)=CC=C1C1C(C=CS2)=C2CCN1 CSDQQAQKBAQLLE-UHFFFAOYSA-N 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 9
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 8
- 239000007795 chemical reaction product Substances 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000004071 soot Substances 0.000 description 6
- 230000007306 turnover Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052987 metal hydride Inorganic materials 0.000 description 3
- 150000004681 metal hydrides Chemical class 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- LLCSWKVOHICRDD-UHFFFAOYSA-N buta-1,3-diyne Chemical group C#CC#C LLCSWKVOHICRDD-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101100219382 Caenorhabditis elegans cah-2 gene Proteins 0.000 description 1
- 241000354343 Capsicum chlorosis virus Species 0.000 description 1
- ZGLFRTJDWWKIAK-UHFFFAOYSA-M [2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]-triphenylphosphanium;bromide Chemical compound [Br-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(CC(=O)OC(C)(C)C)C1=CC=CC=C1 ZGLFRTJDWWKIAK-UHFFFAOYSA-M 0.000 description 1
- PZKRHHZKOQZHIO-UHFFFAOYSA-N [B].[B].[Mg] Chemical compound [B].[B].[Mg] PZKRHHZKOQZHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- UNLSXXHOHZUADN-UHFFFAOYSA-N barium cyanide Chemical compound [Ba+2].N#[C-].N#[C-] UNLSXXHOHZUADN-UHFFFAOYSA-N 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002483 hydrogen compounds Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 229910000103 lithium hydride Inorganic materials 0.000 description 1
- 229910012375 magnesium hydride Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- 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
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
-
- 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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/609—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of circuitry
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/025—In the ear hearing aids [ITE] hearing aids
-
- 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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements
-
- 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
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
- H04R25/658—Manufacture of housing parts
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Manufacturing & Machinery (AREA)
- Headphones And Earphones (AREA)
- Telephone Set Structure (AREA)
- Sheet Holders (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
- Battery Mounting, Suspending (AREA)
- Valve Device For Special Equipments (AREA)
- Audible And Visible Signals (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US489513A US3414685A (en) | 1965-09-23 | 1965-09-23 | In-the-ear hearing aid |
Publications (1)
Publication Number | Publication Date |
---|---|
NO117643B true NO117643B (fr) | 1969-09-08 |
Family
ID=23944191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO163952A NO117643B (fr) | 1965-09-23 | 1966-07-15 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3414685A (fr) |
AT (1) | AT266235B (fr) |
CH (1) | CH470814A (fr) |
DE (3) | DE1287138B (fr) |
DK (1) | DK137850B (fr) |
ES (1) | ES320702A1 (fr) |
FR (1) | FR1466647A (fr) |
GB (2) | GB1117244A (fr) |
NL (1) | NL6515552A (fr) |
NO (1) | NO117643B (fr) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3688053A (en) * | 1966-07-29 | 1972-08-29 | Juan Gasso Bosch | Hearing aid including microphone suspended externally of component-containing housing |
US4457396A (en) * | 1982-09-24 | 1984-07-03 | James David L | Sound deflector for headset ear phones |
FR2543431A1 (fr) * | 1983-03-30 | 1984-10-05 | Cafa | Appareil auditif tel qu'une prothese |
DE8518681U1 (de) * | 1985-06-27 | 1986-06-12 | Siemens AG, 1000 Berlin und 8000 München | Hörhilfe |
US4716985A (en) * | 1986-05-16 | 1988-01-05 | Siemens Aktiengesellschaft | In-the-ear hearing aid |
US4870688A (en) * | 1986-05-27 | 1989-09-26 | Barry Voroba | Mass production auditory canal hearing aid |
US4870689A (en) * | 1987-04-13 | 1989-09-26 | Beltone Electronics Corporation | Ear wax barrier for a hearing aid |
DK157647C (da) * | 1987-10-14 | 1990-07-09 | Gn Danavox As | Beskyttelsesorgan til alt-i-oeret hoereapparat samt vaerktoej til brug ved udskiftning heraf |
US5131128A (en) * | 1987-10-14 | 1992-07-21 | Gn Danavox A/S | Protection element for all-in-the-ear hearing aid and tool for use in the replacement hereof |
DE8814162U1 (de) * | 1988-11-11 | 1988-12-29 | Hörgeräte Geers GmbH & Co. KG, 4600 Dortmund | Hörgerät |
ATE247369T1 (de) * | 1991-01-17 | 2003-08-15 | Roger A Adelman | Verbessertes hörgerät |
CA2122727A1 (fr) * | 1991-12-09 | 1993-06-24 | Robert J. Oliveira | Filtre de cerumen pour protheses auditives |
US5250926A (en) * | 1992-04-29 | 1993-10-05 | Wilbrecht Electronics, Inc. | Potentiometer with improved seal |
SE9402631L (sv) * | 1994-08-04 | 1995-07-24 | Peter Joakim Lenz | Anordning vid hörapparat |
US5701348A (en) * | 1994-12-29 | 1997-12-23 | Decibel Instruments, Inc. | Articulated hearing device |
US7664282B2 (en) * | 1998-11-25 | 2010-02-16 | Insound Medical, Inc. | Sealing retainer for extended wear hearing devices |
US6940988B1 (en) * | 1998-11-25 | 2005-09-06 | Insound Medical, Inc. | Semi-permanent canal hearing device |
US7139404B2 (en) | 2001-08-10 | 2006-11-21 | Hear-Wear Technologies, Llc | BTE/CIC auditory device and modular connector system therefor |
US7110562B1 (en) | 2001-08-10 | 2006-09-19 | Hear-Wear Technologies, Llc | BTE/CIC auditory device and modular connector system therefor |
US8457336B2 (en) | 2004-02-05 | 2013-06-04 | Insound Medical, Inc. | Contamination resistant ports for hearing devices |
US7846579B2 (en) | 2005-03-25 | 2010-12-07 | Victor Krasnov | Thin film battery with protective packaging |
US8679674B2 (en) | 2005-03-25 | 2014-03-25 | Front Edge Technology, Inc. | Battery with protective packaging |
US20070003081A1 (en) * | 2005-06-30 | 2007-01-04 | Insound Medical, Inc. | Moisture resistant microphone |
US7681577B2 (en) | 2006-10-23 | 2010-03-23 | Klipsch, Llc | Ear tip |
US7862927B2 (en) | 2007-03-02 | 2011-01-04 | Front Edge Technology | Thin film battery and manufacturing method |
US7862627B2 (en) * | 2007-04-27 | 2011-01-04 | Front Edge Technology, Inc. | Thin film battery substrate cutting and fabrication process |
US8870974B2 (en) | 2008-02-18 | 2014-10-28 | Front Edge Technology, Inc. | Thin film battery fabrication using laser shaping |
US20090010462A1 (en) * | 2007-07-02 | 2009-01-08 | Front Edge Technology, Inc. | Compact rechargeable thin film battery system for hearing aid |
WO2009023738A2 (fr) * | 2007-08-14 | 2009-02-19 | Insound Medical, Inc. | Ensemble microphone et récepteur combiné pour des dispositifs auditifs de canal à port étendu |
US8628645B2 (en) | 2007-09-04 | 2014-01-14 | Front Edge Technology, Inc. | Manufacturing method for thin film battery |
USD624901S1 (en) | 2008-05-29 | 2010-10-05 | Klipsch Group, Inc. | Headphone ear tips |
CA2739942A1 (fr) * | 2008-10-10 | 2010-04-15 | Widex A/S | Coque souple pour recepteur dans le cornet de l'oreille |
US8502494B2 (en) | 2009-08-28 | 2013-08-06 | Front Edge Technology, Inc. | Battery charging apparatus and method |
DE102010022323A1 (de) | 2010-06-01 | 2011-12-01 | Siemens Medical Instruments Pte. Ltd. | Tief-Ohrkanal-Hörinstrument |
US8865340B2 (en) | 2011-10-20 | 2014-10-21 | Front Edge Technology Inc. | Thin film battery packaging formed by localized heating |
US8682016B2 (en) | 2011-11-23 | 2014-03-25 | Insound Medical, Inc. | Canal hearing devices and batteries for use with same |
US8761423B2 (en) | 2011-11-23 | 2014-06-24 | Insound Medical, Inc. | Canal hearing devices and batteries for use with same |
US9887429B2 (en) | 2011-12-21 | 2018-02-06 | Front Edge Technology Inc. | Laminated lithium battery |
US8864954B2 (en) | 2011-12-23 | 2014-10-21 | Front Edge Technology Inc. | Sputtering lithium-containing material with multiple targets |
US9257695B2 (en) | 2012-03-29 | 2016-02-09 | Front Edge Technology, Inc. | Localized heat treatment of battery component films |
US9077000B2 (en) | 2012-03-29 | 2015-07-07 | Front Edge Technology, Inc. | Thin film battery and localized heat treatment |
US9159964B2 (en) | 2012-09-25 | 2015-10-13 | Front Edge Technology, Inc. | Solid state battery having mismatched battery cells |
US8753724B2 (en) | 2012-09-26 | 2014-06-17 | Front Edge Technology Inc. | Plasma deposition on a partially formed battery through a mesh screen |
US9356320B2 (en) | 2012-10-15 | 2016-05-31 | Front Edge Technology Inc. | Lithium battery having low leakage anode |
US9088846B2 (en) | 2013-08-14 | 2015-07-21 | Klipsch Group, Inc. | Oval variable wall earbud |
US9584895B2 (en) | 2013-08-14 | 2017-02-28 | Klipsch Group, Inc. | Teardrop variable wall earbud |
US9369792B2 (en) | 2013-08-14 | 2016-06-14 | Klipsch Group, Inc. | Round variable wall earbud |
US10008739B2 (en) | 2015-02-23 | 2018-06-26 | Front Edge Technology, Inc. | Solid-state lithium battery with electrolyte |
US11134352B2 (en) | 2020-01-29 | 2021-09-28 | Sonova Ag | Hearing device with wax guard interface |
US11638108B2 (en) | 2020-11-27 | 2023-04-25 | Sonova Ag | Canal hearing devices with sound port contaminant guards |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938083A (en) * | 1957-12-30 | 1960-05-24 | Sonotone Corp | Transistor amplifier hearing aid unit with receiver vibration feedback suppression |
US3001689A (en) * | 1958-10-24 | 1961-09-26 | Dow Chemical Co | Mouth closure means for bags comprising heat sealable material |
US2987584A (en) * | 1958-11-28 | 1961-06-06 | Melvyn E Webber | In-ear hearing aid |
DE1126929B (de) * | 1961-01-28 | 1962-04-05 | Robert Bosch Elektronik Ges Mi | Im Ohr zu tragendes Schwerhoerigengeraet |
US3055990A (en) * | 1961-06-05 | 1962-09-25 | Beltone Hearing Aid Company | Hearing aid |
US3197576A (en) * | 1964-04-02 | 1965-07-27 | Dahlberg Electronics | In-the-ear hearing aid |
US3197577A (en) * | 1964-09-24 | 1965-07-27 | Dabiberg Electronics Inc | Wax retarder baffle for hearing aids |
US3312789A (en) * | 1966-02-03 | 1967-04-04 | Dahlberg Electronics | Ear canal hearing aid |
-
1965
- 1965-09-23 US US489513A patent/US3414685A/en not_active Expired - Lifetime
- 1965-11-16 GB GB48606/65A patent/GB1117244A/en not_active Expired
- 1965-11-16 GB GB39257/67A patent/GB1117245A/en not_active Expired
- 1965-11-26 DE DED55534A patent/DE1287138B/de active Pending
- 1965-11-26 DE DED55554A patent/DE1286568B/de active Pending
- 1965-11-26 DE DED48764A patent/DE1274656B/de active Pending
- 1965-11-30 NL NL6515552A patent/NL6515552A/xx unknown
- 1965-12-07 DK DK629865AA patent/DK137850B/da unknown
- 1965-12-13 CH CH1725565A patent/CH470814A/de not_active IP Right Cessation
- 1965-12-14 ES ES0320702A patent/ES320702A1/es not_active Expired
-
1966
- 1966-01-03 FR FR44626A patent/FR1466647A/fr not_active Expired
- 1966-01-21 AT AT58366A patent/AT266235B/de active
- 1966-07-15 NO NO163952A patent/NO117643B/no unknown
Also Published As
Publication number | Publication date |
---|---|
ES320702A1 (es) | 1966-06-16 |
DE1287138B (de) | 1969-01-16 |
DK137850C (fr) | 1978-10-02 |
CH470814A (de) | 1969-03-31 |
DK137850B (da) | 1978-05-16 |
GB1117244A (en) | 1968-06-19 |
FR1466647A (fr) | 1967-01-20 |
US3414685A (en) | 1968-12-03 |
NL6515552A (fr) | 1966-02-25 |
DE1274656B (de) | 1968-08-08 |
AT266235B (de) | 1968-11-11 |
GB1117245A (en) | 1968-06-19 |
DE1286568B (de) | 1969-01-09 |
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