KR890009351A - Heart rate recording stethoscope - Google Patents
Heart rate recording stethoscope Download PDFInfo
- Publication number
- KR890009351A KR890009351A KR870014232A KR870014232A KR890009351A KR 890009351 A KR890009351 A KR 890009351A KR 870014232 A KR870014232 A KR 870014232A KR 870014232 A KR870014232 A KR 870014232A KR 890009351 A KR890009351 A KR 890009351A
- Authority
- KR
- South Korea
- Prior art keywords
- heart rate
- rate recording
- recording stethoscope
- stethoscope
- speaker
- Prior art date
Links
- 230000033764 rhythmic process Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive loop type
-
- 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
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 본 발명의 사시도.1 is a perspective view of the present invention.
제2도는 본 발명의 개략도.2 is a schematic diagram of the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR870014232A KR890009351A (en) | 1987-12-14 | 1987-12-14 | Heart rate recording stethoscope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR870014232A KR890009351A (en) | 1987-12-14 | 1987-12-14 | Heart rate recording stethoscope |
Publications (1)
Publication Number | Publication Date |
---|---|
KR890009351A true KR890009351A (en) | 1989-08-01 |
Family
ID=68459604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR870014232A KR890009351A (en) | 1987-12-14 | 1987-12-14 | Heart rate recording stethoscope |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890009351A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160107454A (en) | 2015-03-04 | 2016-09-19 | 주식회사 제토이앤씨 | Centrifugal buoyant device for washing and sorting according to size the shellfish flesh |
KR20160107455A (en) | 2015-03-04 | 2016-09-19 | 주식회사 제토이앤씨 | Device for washing and sorting according to size the shellfish |
-
1987
- 1987-12-14 KR KR870014232A patent/KR890009351A/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160107454A (en) | 2015-03-04 | 2016-09-19 | 주식회사 제토이앤씨 | Centrifugal buoyant device for washing and sorting according to size the shellfish flesh |
KR20160107455A (en) | 2015-03-04 | 2016-09-19 | 주식회사 제토이앤씨 | Device for washing and sorting according to size the shellfish |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |