AT17833B - - Google Patents

Info

Publication number: AT17833B
Authority: AT; Austria

Application number

Inventor

Fritz Dr Hubbes

Original Assignee

Fritz Dr Hubbes

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.)

1903-10-17

Filing date

1903-10-17

Publication date

1904-10-10

1903-10-17 Application filed by Fritz Dr Hubbes filed Critical Fritz Dr Hubbes

1904-10-10 Application granted granted Critical

1904-10-10 Publication of AT17833B publication Critical patent/AT17833B/de

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Electric hearing aids
- H04R25/04—Electric hearing aids comprising pocket amplifiers
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/30—Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
General Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Psychology (AREA)
Signal Processing (AREA)
Neurosurgery (AREA)
Biomedical Technology (AREA)
Biophysics (AREA)
Heart & Thoracic Surgery (AREA)
Vascular Medicine (AREA)
Animal Behavior & Ethology (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Details Of Audible-Bandwidth Transducers (AREA)

AT17833D 1903-10-17 1903-10-17 AT17833B (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
AT17833T		1903-10-17
GB190323077T		1903-10-24
FR336260T		1903-10-26

Publications (1)

Publication Number	Publication Date
AT17833B true AT17833B (de)	1904-10-10

Family

ID=62566549

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT17833D AT17833B (de)	1903-10-17	1903-10-17

Country Status (3)

Country	Link
AT (1)	AT17833B (de)
FR (1)	FR336260A (de)
GB (1)	GB190323077A (de)

1903
- 1903-10-17 AT AT17833D patent/AT17833B/de active
- 1903-10-24 GB GB190323077D patent/GB190323077A/en not_active Expired
- 1903-10-26 FR FR336260A patent/FR336260A/fr not_active Expired

Also Published As

Publication number	Publication date
FR336260A (fr)	1904-03-04
GB190323077A (en)	1903-12-17

Publication	Publication Date	Title
AT13780B (de)	1903-10-26
AT13023B (de)	1903-08-25
AT13521B (de)	1903-10-10
AT13556B (de)	1903-10-10
AT13901B (de)	1903-11-10
AT13540B (de)	1903-10-10
AT13515B (de)	1903-10-10
AT12991B (de)	1903-08-25
AT13211B (de)	1903-09-10
AT13216B (de)	1903-09-10
AT13295B (de)	1903-09-10
AT13307B (de)	1903-09-10
AT13308B (de)	1903-09-10
AT13343B (de)	1903-09-25
AT13360B (de)	1903-09-25
AT13390B (de)	1903-09-25
AT13431B (de)	1903-09-25
AT13436B (de)	1903-09-25
AT13589B (de)	1903-10-10
AT13501B (de)	1903-09-25
AT13588B (de)	1903-10-10
AT13518B (de)	1903-10-10
AT13522B (de)	1903-10-10
AT13538B (de)	1903-10-10
AT11576B (de)	1903-04-25