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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7075442 | Food temperature monitoring device Temperature monitoring device of a matter that is at least partly made of water, such as food, comprising a wireless temperature sensor comprising: a temperature transducer of the said matter; an electromagnetic wa... | 07/11/2006 |
| 6546846 | Device for sensing internal temperature of meat in rotisserie A device is mounted on a rotary spit of a rotisserie. The spit has an external handle at one end, a rod, and a connection member at the other end releasably coupled to a drive source. The device comprises temperature sensing elements on a central portion ... | 04/15/2003 |
| 6539842 | Rotisserie system having a remote temperature monitor A rotisserie system includes a rotatable skewer adapted to secure meat, the rotatable skewer including a temperature sensor for recording a temperature of the meat and a wireless transmitter for wirelessly transmitting the temperature. The system also inc... | 04/01/2003 |
| 4747712 | Device for rotating and supporting a temperature probe A device for rotatably supporting a temperature probe disposed in an oven for heating a material. The probe has one end provided with a plug and another end for insertion into the material for detecting the temperature thereof. The device includes a socke... | 05/31/1988 |
| 4518839 | High frequency heating apparatus with wireless temperature probe A novel high frequency heating apparatus for detecting the internal temperature of an object contained in a heating chamber and controlling the heating thereof is disclosed, in which the temperature change of the object is picked up as a change of the res... | 05/21/1985 |
| 4381439 | Self-controlled microwave oven A microwave oven is provided according to which food is cooked while a temperature sensor is inserted in the food and the heating of the food is interrupted in response to an output signal of the temperature sensor. The temperature sensor comprises a holl... | 04/26/1983 |
| 4217477 | Food temperature control in a microwave oven The present invention is directed to a microwave oven which may operate in a temperature control mode, wherein the temperature of a food to be cooked is maintained between two selectable values. The food temperature is sensed by a probe adapted for insert... | 08/12/1980 |
| 4149056 | Microwave oven with food temperature-sensing means A food temperature-sensing probe is included within a microwave oven for monitoring an internal temperature of the food while it is being cooked therein. A probe jack inserted into a slipping connector transmits a food temperature signal detected by the f... | 04/10/1979 |
| 4086813 | Microwave oven food temperature sensing probe assembly including a reflector A food temperature-sensing probe assembly for monitoring the internal temperature of food while it is being cooked in a microwave oven includes a disc-like reflector either slidably or fixedly mounted on the probe housing adjacent to, but spaced from, the... | 05/02/1978 |
| 3975720 | Food thermometer for microwave oven Apparatus is disclosed for monitoring the internal temperature of food being cooked in the cooking cavity of a microwave oven with microwaves of a predetermined frequency having a predetermined wavelength λ. The apparatus includes a needle-like temperatu... | 08/17/1976 |
| 3974696 | Food thermometer for microwave oven Apparatus is disclosed for monitoring the internal temperature of food being cooked in the cooking cavity of a microwave oven with microwaves of a predetermined frequency having a predetermined wavelength λ . The apparatus includes a needle-like temperat... | 08/17/1976 |
| 3931620 | Temperature-responsive alarm control circuit Solid-state circuitry is provided for an electrical thermometer for monitoring the interior temperature of food being cooked. A temperature sensing thermistor located in the tip of a probe, adapted to be partially inserted in food being cooked so as to mo... | 01/06/1976 |
