GB1445426A - Constant energy pulse generator - Google Patents
Constant energy pulse generatorInfo
- Publication number
- GB1445426A GB1445426A GB3675973A GB3675973A GB1445426A GB 1445426 A GB1445426 A GB 1445426A GB 3675973 A GB3675973 A GB 3675973A GB 3675973 A GB3675973 A GB 3675973A GB 1445426 A GB1445426 A GB 1445426A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulse
- resistor
- battery voltage
- transistor
- zener diodes
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 abstract 4
- 235000014676 Phragmites communis Nutrition 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000004936 stimulating effect Effects 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/025—Digital circuitry features of electrotherapy devices, e.g. memory, clocks, processors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/015—Modifications of generator to maintain energy constant
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
Landscapes
- Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27923672A | 1972-08-09 | 1972-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1445426A true GB1445426A (en) | 1976-08-11 |
Family
ID=23068180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3675973A Expired GB1445426A (en) | 1972-08-09 | 1973-08-02 | Constant energy pulse generator |
Country Status (9)
| Country | Link |
|---|---|
| AU (1) | AU472693B2 (https=) |
| CA (1) | CA1003047A (https=) |
| DE (1) | DE2338540A1 (https=) |
| DK (1) | DK145036C (https=) |
| FR (1) | FR2195423B1 (https=) |
| GB (1) | GB1445426A (https=) |
| IL (1) | IL42784A (https=) |
| NL (1) | NL7310859A (https=) |
| SE (1) | SE391129B (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3867949A (en) * | 1973-04-27 | 1975-02-25 | Cardiac Pacemakers Inc | Cardiac pacer with voltage doubler output circuit |
| GB8612659D0 (en) * | 1986-05-23 | 1986-07-02 | Coventry City Council | Cardiac pacemaker circuit |
| BE1000934A7 (nl) * | 1987-09-30 | 1989-05-16 | Bell Telephone Mfg | Omvormingsinrichting. |
| CN105126244A (zh) * | 2015-08-30 | 2015-12-09 | 成都千里电子设备有限公司 | 低频治疗仪用保护电路 |
-
1973
- 1973-07-18 IL IL42784A patent/IL42784A/xx unknown
- 1973-07-23 AU AU58371/73A patent/AU472693B2/en not_active Expired
- 1973-07-26 CA CA177,392A patent/CA1003047A/en not_active Expired
- 1973-07-30 DE DE19732338540 patent/DE2338540A1/de not_active Withdrawn
- 1973-08-02 GB GB3675973A patent/GB1445426A/en not_active Expired
- 1973-08-06 NL NL7310859A patent/NL7310859A/xx not_active Application Discontinuation
- 1973-08-07 SE SE7310804A patent/SE391129B/xx unknown
- 1973-08-07 FR FR7328803A patent/FR2195423B1/fr not_active Expired
- 1973-08-08 DK DK433973A patent/DK145036C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2195423B1 (https=) | 1979-06-15 |
| NL7310859A (https=) | 1974-02-12 |
| SE391129B (sv) | 1977-02-07 |
| IL42784A (en) | 1975-12-31 |
| AU5837173A (en) | 1975-01-23 |
| DE2338540A1 (de) | 1974-02-21 |
| DK145036B (da) | 1982-08-09 |
| CA1003047A (en) | 1977-01-04 |
| DK145036C (da) | 1983-01-10 |
| FR2195423A1 (https=) | 1974-03-08 |
| AU472693B2 (en) | 1976-06-03 |
| IL42784A0 (en) | 1973-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |