NO131517B - - Google Patents
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- Publication number
- NO131517B NO131517B NO2225/71A NO222571A NO131517B NO 131517 B NO131517 B NO 131517B NO 2225/71 A NO2225/71 A NO 2225/71A NO 222571 A NO222571 A NO 222571A NO 131517 B NO131517 B NO 131517B
- Authority
- NO
- Norway
- Prior art keywords
- microphone
- speaker
- telephone
- telephone set
- loudspeaker
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/163—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe piston-cylinder actuated
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/12—Chucks or sockets with fluid-pressure actuator
- Y10T279/1208—Chucks or sockets with fluid-pressure actuator with measuring, indicating or control means
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/12—Chucks or sockets with fluid-pressure actuator
- Y10T279/1274—Radially reciprocating jaws
- Y10T279/1283—Fluid pressure directly moves jaws
Description
Telefonapparat. Telephone device.
Oppfinnelsen vedrører et telefonapparat for høyttalertelefon med en forsterker, en mikrofon og en høyttaler. The invention relates to a telephone set for speakerphone with an amplifier, a microphone and a speaker.
Hensikten med oppfinnelsen er å til-veiebringe et høyttalende telefonapparat som stort sett arbeider innenfor det for telefoni nødvendige frekvensområdet 300 — 3400 Hz, og som ved den innbyrdes plasering av mikrofonen og høyttaleren sikrer en god samtaleoverføring med unnvikelse av slike fenomener som tilbakekobling, ek-koforstyrrelser, ikke ønsket blokkering av linje o. s. v. Ved den nevnte plaserdng er telefonapparatet også særdeles praktisk i håndtering for den resp. de som skal be-nytte dette. The purpose of the invention is to provide a loud-speaking telephone device which generally works within the frequency range 300 - 3400 Hz required for telephony, and which by the mutual placement of the microphone and the speaker ensures a good conversation transmission with the avoidance of such phenomena as feedback, etc. interference, undesired blocking of the line, etc. In the aforementioned location, the telephone set is also extremely practical to handle for the resp. those who will use this.
Et telefonapparat utformet ifølge oppfinnelsen, kjennetegnes ved at høyttaleren er plasert med sin koniske åpning nedad i telefonapparatets nedre del, at mikrofonen er plasert med sin lydfølsomme del oppad i telefonapparatets øvre del, og at telefonapparatets hus er utformet med åpninger for passasje av lydbølger dels rundt høyt-taleren, dels i umiddelbar nærhet av mikrofonen. A telephone set designed according to the invention is characterized by the fact that the loudspeaker is placed with its conical opening downwards in the lower part of the telephone set, that the microphone is placed with its sound-sensitive part upwards in the upper part of the telephone set, and that the telephone set's housing is designed with openings for the passage of sound waves partly around the loudspeaker, partly in the immediate vicinity of the microphone.
Oppfinnelsen skal nærmere beskrives i forbindelse med vedføyede tegning, som delvis i snitt viser en høyttalertelefon ifølge oppfinnelsen. The invention shall be described in more detail in connection with the attached drawing, which partially shows a speakerphone according to the invention in section.
Av tegningen fremgår det at innenfor et hus 1 er en høyttaler 2 (en elektrodyna-misk, konisk høyttaler) plasert med sin koniske åpning nedad i telefonapparatets øvre del og en mikrofon 3 plasert i telefonapparatets øvre del med sin lydfølsomme del oppad. Huset 1 er utformet med åpninger for passasje av lydbølger dels rundt høyttaleren mellom to innbyrdes parallelle plan som inneslutter høyttalerens konus. Disse åpninger er betegnet med 11. Dels er der åpninger i nærheten av mikrofonen, hvilke åpninger er betegnet med 12. From the drawing it appears that within a housing 1 a speaker 2 (an electrodynamic, conical speaker) is placed with its conical opening downwards in the upper part of the telephone set and a microphone 3 is placed in the upper part of the telephone set with its sound-sensitive part upwards. The housing 1 is designed with openings for the passage of sound waves partly around the speaker between two mutually parallel planes that enclose the speaker's cone. These openings are denoted by 11. In part, there are openings near the microphone, which openings are denoted by 12.
Nærmere bestemt er høyttaleren plasert i telefonapparatets lavest beliggende del med sin koniske åpning mot en ved telefonapparatets bunn plasert resonanskasse 3, og mikrofonen er plasert i telefonapparatets høyest beliggende del. More specifically, the loudspeaker is placed in the lowest part of the telephone set with its conical opening towards a resonance box 3 placed at the bottom of the telephone set, and the microphone is placed in the highest part of the telephone set.
Forøvrig inneholder telefonapparatet slike koblingsdetaljer og enheter som er nødvendig for på normal måte å utveksle telefonsamtaler, d. v. s. fingerskive 4, man-øverknapp 5, forsterker, signalanordning o. s. v. Disse enheter og detaljer er imid-lertid ikke nærmere angitt eller beskrevet, idet de faller utenfor rammen av den fore-liggende oppfinnelse. Incidentally, the telephone set contains such connection details and devices as are necessary to exchange telephone calls in a normal way, i.e. finger dial 4, operating button 5, amplifier, signaling device, etc. These devices and details are not further specified or described, however, as they fall outside the scope of the present invention.
Mellom høyttaleren 2 og mikrofonen 3 er anordnet en lydisolerende skive 6 for å hindre at lydbølger fra høyttaleren direkte kommer inn til mikrofonen. Denne skive anvendes samtidig som monteringsplate for visse detaljer. Andre detaljer monteres på telefonapparatets bunnplate og befinner seg således mellom høyttaleren 5 og åpning-ene 11. Disse dekkes fortrinsvis på innsiden av huset med noe akustisk dempende ma-teriale, f. eks. slike. Between the speaker 2 and the microphone 3, a sound-insulating disc 6 is arranged to prevent sound waves from the speaker directly entering the microphone. This disc is also used as a mounting plate for certain details. Other details are mounted on the base plate of the telephone set and are thus located between the speaker 5 and the openings 11. These are preferably covered on the inside of the housing with some acoustic dampening material, e.g. such.
For å hindre at det kan opptre stående bølger i resonanskassen 3 er dennes volum oppdelt ved hjelp av innlagte vegger, av hvilke en er betegnet 31 og antydet ved hjelp av strekede linjer på tegningen. In order to prevent standing waves from occurring in the resonance box 3, its volume is divided by means of built-in walls, one of which is designated 31 and indicated by dashed lines in the drawing.
Ved at høyttaleren er plasert med sin koniske åpning mot resonanskassen oppnåes at på en enkel måte frekvensområdets nedre del beskjæres, hvilket er særlig øns-kelig sett ut fra forstyrrelsessynspunkt. By placing the loudspeaker with its conical opening towards the resonance box, it is achieved that in a simple way the lower part of the frequency range is trimmed, which is particularly desirable from a disturbance point of view.
Ved at energien fra høyttaleren 2 der-ved ikke uttaes fra konusens forside, som vanlig er, men fra dens bakside, oppnåes dels at frekvensområdets øvre del beskjæres, dels at lydbølgende på en naturlig måte utbrer seg horisontalt til lyttere som befinner seg rundt apparatet uten at av den grunn noen øket risiko for ikke ønsket påvirkning av mikrofonen foreligger. Dess-uten er mikrofonens plasering fordelaktig for talere som befinner seg rundt mikrofonen, d. v. s. telefonapparatet er i høy grad «samtalevennlig». By the fact that the energy from the loudspeaker 2 is not extracted from the front of the cone, as is usual, but from its back, it is achieved partly that the upper part of the frequency range is cut off, and partly that the sound wave spreads in a natural way horizontally to listeners who are around the device without that for this reason there is an increased risk of unwanted influence of the microphone. In addition, the microphone's location is advantageous for speakers who are located around the microphone, i.e. the telephone set is highly "conversation-friendly".
Den ved anordninger av denne type i al-minnelighet begrensede tilgjengelige Mke-strømseffekt fordrer høyttalere med stor effektivitet, d. v. s. størst mulig diameter for det koniske parti, hvorved også oppnåes lav forvrengning i nevnte frekvensområdet 300—3400 Hz. The available Mke power output, which is generally limited by devices of this type, requires speakers with great efficiency, i.e. the largest possible diameter for the conical part, whereby low distortion is also achieved in the mentioned frequency range 300-3400 Hz.
Som det fremgår av tegningen gir den viste plasering av høyttaleren og mikro- As can be seen from the drawing, the shown placement of the speaker and micro-
fonen størst mulig akustisk veilengde mellom disse enheter. the greatest possible acoustic path length between these units.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE08254/70A SE341169B (en) | 1970-06-15 | 1970-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO131517B true NO131517B (en) | 1975-03-03 |
NO131517C NO131517C (en) | 1975-06-11 |
Family
ID=20273561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO2225/71A NO131517C (en) | 1970-06-15 | 1971-06-14 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3696872A (en) |
JP (1) | JPS518361B1 (en) |
CA (1) | CA939662A (en) |
CH (1) | CH542993A (en) |
FI (1) | FI54832C (en) |
FR (1) | FR2097870A5 (en) |
GB (1) | GB1295217A (en) |
NO (1) | NO131517C (en) |
SE (1) | SE341169B (en) |
ZA (1) | ZA713469B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845962A (en) * | 1973-02-09 | 1974-11-05 | V Molin | Floating work driver chuck |
US3901330A (en) * | 1973-11-21 | 1975-08-26 | Brown Oil Tools | Electric power drive assembly |
US3942592A (en) * | 1974-08-12 | 1976-03-09 | Hughes Tool Company | Drill stem make-up and break-out system for earth drilling machines |
SE415117B (en) * | 1975-12-11 | 1980-09-08 | Craelius Ab | DRILLING STRAIGHT FOR A MOUNTAIN DRILLING MACHINE |
US4194579A (en) * | 1976-08-09 | 1980-03-25 | Joy Manufacturing Company | Drilling apparatus and method |
US4128135A (en) * | 1977-07-13 | 1978-12-05 | Gardner-Denver Company | Drill pipe handling mechanism |
US4190119A (en) * | 1977-12-12 | 1980-02-26 | Joy Manufacturing Company | Earth drilling apparatus |
SE444836B (en) * | 1981-06-01 | 1986-05-12 | Craelius Ab | DEVICE ON MOUNTAIN OR EARTH DRILLING UNIT |
SE448017B (en) * | 1982-12-27 | 1987-01-12 | Craelius Ab | PRESSURE-POWERED GRIP DEVICE FOR ROTARY DRILLING AT A MOUNTAIN OR EARTH DRILLING UNIT |
JPS6235576U (en) * | 1985-08-19 | 1987-03-02 | ||
US4696206A (en) * | 1986-04-10 | 1987-09-29 | Hughes Tool Company | Torque wrench |
DE3912327A1 (en) * | 1989-04-14 | 1990-10-18 | Hamburger Hochbahn Ag | Flexible anchor for railway line - consists of rubber anchor to fit around both sides of rail foot and bolted into underlay |
US5174175A (en) * | 1990-10-31 | 1992-12-29 | Frank's Casing Crew & Rental Tools, Inc. | Actuator for rotatable clamping apparatus |
SE506758C2 (en) * | 1996-01-05 | 1998-02-09 | Atlas Copco Rocktech Ab | Rock and earth drilling units for rotary drilling |
US6385837B1 (en) * | 1999-04-05 | 2002-05-14 | Central Motor Wheel Co., Ltd. | Method and apparatus for fixedly connecting threaded tubes, and recording medium storing control program for practicing or controlling those method and apparatus |
CA2411253A1 (en) * | 2001-04-26 | 2002-10-28 | Furukawa Co., Ltd. | Step tube rod, and drilling machine |
SE537994C2 (en) | 2012-08-30 | 2016-01-26 | Atlas Copco Rock Drills Ab | Procedure for a drill support device, drill support device, vehicle and computer program and computer program product for a single drill support device |
CN104047910A (en) * | 2013-03-13 | 2014-09-17 | 中国石油天然气股份有限公司 | Hydraulic system of under-pressure drilling machine |
CN111636812B (en) * | 2020-05-09 | 2021-06-25 | 中南大学 | Rock-entering axial stepping pressurization system of long spiral drilling machine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3021739A (en) * | 1957-12-23 | 1962-02-20 | Joy Mfg Co | Hydraulically controlled and operated power tong |
JPS5239108B2 (en) * | 1971-08-14 | 1977-10-03 |
-
1970
- 1970-06-15 SE SE08254/70A patent/SE341169B/xx unknown
-
1971
- 1971-05-28 ZA ZA713469A patent/ZA713469B/en unknown
- 1971-05-28 CA CA114,186A patent/CA939662A/en not_active Expired
- 1971-05-28 GB GB1295217D patent/GB1295217A/en not_active Expired
- 1971-05-28 US US147988A patent/US3696872A/en not_active Expired - Lifetime
- 1971-06-14 NO NO2225/71A patent/NO131517C/no unknown
- 1971-06-14 CH CH864371A patent/CH542993A/en not_active IP Right Cessation
- 1971-06-14 FI FI1667/71A patent/FI54832C/en active
- 1971-06-14 FR FR7121473A patent/FR2097870A5/fr not_active Expired
- 1971-06-14 JP JP46041760A patent/JPS518361B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ZA713469B (en) | 1972-01-26 |
DE2128362A1 (en) | 1972-01-27 |
CA939662A (en) | 1974-01-08 |
CH542993A (en) | 1973-10-15 |
FI54832C (en) | 1979-03-12 |
SE341169B (en) | 1971-12-20 |
NO131517C (en) | 1975-06-11 |
GB1295217A (en) | 1972-11-08 |
FI54832B (en) | 1978-11-30 |
US3696872A (en) | 1972-10-10 |
FR2097870A5 (en) | 1972-03-03 |
JPS518361B1 (en) | 1976-03-16 |
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