Jorma Ponkala

Person

25610 Ylonkyla, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Electrically detected impedance detector for the measurement of phy...
- Patent number 5,631,418
- Issue date May 20, 1997
- Vaisala Oy
- Ingmar Stuns
- G01 - MEASURING TESTING
Information Patent Grant
Impedance detector, in particular for radiosonde operation, as well...
- Patent number 5,557,042
- Issue date Sep 17, 1996
- Vaisala Oy
- Ari Paukkunen
- G01 - MEASURING TESTING
Information Patent Grant
Impedance detector, in particular for radiosonde operation and proc...
- Patent number 5,553,495
- Issue date Sep 10, 1996
- Ari Paukkunen
- G01 - MEASURING TESTING
Information Patent Grant
Method for measurement of relative humidity, in particular in radio...
- Patent number 5,511,418
- Issue date Apr 30, 1996
- Vaisala Oy
- Veijo Antikainen
- G01 - MEASURING TESTING
Information Patent Grant
Method of measurement of relative humidity, in particular in radios...
- Patent number 5,485,747
- Issue date Jan 23, 1996
- Vaisala Oy
- Veijo Antikainen
- G01 - MEASURING TESTING
Information Patent Grant
Method related to impedance detectors in radiosondes
- Patent number 5,156,045
- Issue date Oct 20, 1992
- Vaisala Oy
- Jorma Ponkala
- G01 - MEASURING TESTING
Information Patent Grant
Electronic selector switch particularly for use in radioscondes
- Patent number 4,295,090
- Issue date Oct 13, 1981
- Vaisala Oy
- Jorma Ponkala
- G01 - MEASURING TESTING
Information Patent Grant
Circuit for measuring low capacitances
- Patent number 4,295,091
- Issue date Oct 13, 1981
- Vaisala Oy
- Jorma Ponkala
- G01 - MEASURING TESTING

Jorma Ponkala

Person

Patents Grantslast 30 patents

Electrically detected impedance detector for the measurement of phy...

Impedance detector, in particular for radiosonde operation, as well...

Impedance detector, in particular for radiosonde operation and proc...

Method for measurement of relative humidity, in particular in radio...

Method of measurement of relative humidity, in particular in radios...

Method related to impedance detectors in radiosondes

Electronic selector switch particularly for use in radioscondes

Circuit for measuring low capacitances