ZA704235B - Improvements in communications - Google Patents

Improvements in communications

Info

Publication number
ZA704235B
ZA704235B ZA704235A ZA704235A ZA704235B ZA 704235 B ZA704235 B ZA 704235B ZA 704235 A ZA704235 A ZA 704235A ZA 704235 A ZA704235 A ZA 704235A ZA 704235 B ZA704235 B ZA 704235B
Authority
ZA
South Africa
Prior art keywords
communications
Prior art date
Application number
ZA704235A
Inventor
F Bertrand
Original Assignee
Bertrand R
F Bertrand
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.)
Filing date
Publication date
Application filed by Bertrand R, F Bertrand filed Critical Bertrand R
Priority to ZA704235A priority Critical patent/ZA704235B/en
Priority to GB1365171*[A priority patent/GB1354125A/en
Publication of ZA704235B publication Critical patent/ZA704235B/en

Links

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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
ZA704235A 1970-06-22 1970-06-22 Improvements in communications ZA704235B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ZA704235A ZA704235B (en) 1970-06-22 1970-06-22 Improvements in communications
GB1365171*[A GB1354125A (en) 1970-06-22 1971-05-07 Communications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA704235A ZA704235B (en) 1970-06-22 1970-06-22 Improvements in communications

Publications (1)

Publication Number Publication Date
ZA704235B true ZA704235B (en) 1971-12-29

Family

ID=25562153

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA704235A ZA704235B (en) 1970-06-22 1970-06-22 Improvements in communications

Country Status (2)

Country Link
GB (1) GB1354125A (en)
ZA (1) ZA704235B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618961B4 (en) * 1996-05-10 2004-09-16 Phonak Ag Device for electromechanical stimulation and testing of the hearing

Also Published As

Publication number Publication date
GB1354125A (en) 1974-06-05

Similar Documents

Publication Publication Date Title
HK42177A (en) Azapurinones
HK13477A (en) Arylalkylsulphoxides
BG28042A3 (en) Elektrical car- highlifter
IE35693L (en) 1 - phenoxy - 2 - hydroxy - 3 - hydroxyalkyl-aminopropanes
ZA708665B (en) Improvements in ladders
ZA705898B (en) Improvements in mincers
ZA71184B (en) Improvements in locks
HK86379A (en) 3-fluoroalanines
ZA711536B (en) Improvements in rotors
ZA704235B (en) Improvements in communications
GB1364569A (en) Cinecamera
AU4883172A (en) Stick-classifying
IE34997B1 (en) 4-piperidylidene-benzocycloheptathiopenes
IE34900B1 (en) Hexahydroazepines
YU32692B (en) Kombinirana grelna in ventilacijska priprava
YU31897B (en) Vecslojna atmosfersko in mehansko otporna plosca
AU463131B2 (en) Improvements in hosepipes
AU468826B2 (en) Improvements in hosepipes
AU434914B2 (en) Improvements in air-break-switches
ZA718393B (en) Improvements in limited radiation communication devices
ZA702736B (en) Improvements in structural elements
ZA706841B (en) Improvements in windows
ZA705239B (en) Improvements in connectors
ZA698216B (en) Improvements in cradles
ZA704748B (en) Improvements in straps