RESONANCE TAG WITH TEMPERATURE SENSOR
    31.
    发明申请
    RESONANCE TAG WITH TEMPERATURE SENSOR 失效
    具有温度传感器的共振标签

    公开(公告)号:US20080259992A1

    公开(公告)日:2008-10-23

    申请号:US11945259

    申请日:2007-11-26

    IPC分类号: G01K7/34 G01K3/10

    CPC分类号: G01K11/08 G01K7/32

    摘要: A temperature-history sensor includes a resonance circuit composed of at least a capacitor and a coil. The temperature-history sensor has a display for indicating a predetermined set temperature of the temperature-history sensor. The capacitor has at least a thermofusion material between electrodes of the capacitor, and the melting point of the thermofusion material is in the region of the set temperature.

    摘要翻译: 温度历史传感器包括由至少电容器和线圈组成的谐振电路。 温度历史传感器具有用于指示温度历史传感器的预定设定温度的显示。 电容器在电容器的电极之间至少具有热熔融材料,并且热熔融材料的熔点处于设定温度的范围内。

    Method for identifying thawed and refrozen products
    32.
    发明授权
    Method for identifying thawed and refrozen products 有权
    识别解冻和冷冻产品的方法

    公开(公告)号:US06679070B1

    公开(公告)日:2004-01-20

    申请号:US10231234

    申请日:2002-08-29

    申请人: Barnet Liberman

    发明人: Barnet Liberman

    IPC分类号: F25B4900

    摘要: A method of freezing a food product comprises the step of forming an indentation on the frozen food product. Such indentation is capable of being irreversibly altered after the frozen food product is thawed so that it is an indication that the frozen food product has been thawed during storage.

    摘要翻译: 冷冻食品的方法包括在冷冻食品上形成压痕的步骤。 在冷冻食品解冻之后,这种压痕能够被不可逆地改变,从而说明冷冻食品在储存期间已被解冻。

    Time-temperature indicator
    33.
    发明授权
    Time-temperature indicator 失效
    时间温度指示器

    公开(公告)号:US6158381A

    公开(公告)日:2000-12-12

    申请号:US259107

    申请日:1999-02-26

    申请人: Alan V. Bray

    发明人: Alan V. Bray

    CPC分类号: G01K3/04 G01K11/08

    摘要: A time-temperature indicator indicates the useful shelf life of an associated product which may be affected by the passage of time and an applied temperature. A creeping material has a first end connected to a first fixed location and a second end connected to a load applying device such as a spring. In response to application of the load applying device, the passage of time, and the application of various temperatures, the creeping material will increase in length in a known manner. An indicator associated with the creeping material indicates whether the passage of time and application of various temperatures have caused the associated product to exceed its useful shelf life.

    摘要翻译: 时间温度指示器指示可能受时间和施加温度影响的相关产品的有用保质期。 蠕变材料具有连接到第一固定位置的第一端和连接到诸如弹簧的负载施加装置的第二端。 响应于施加施加载荷的装置,时间的流逝和各种温度的应用,蠕变材料的长度将以已知的方式增加。 与蠕变材料相关的指示器是否指示时间的流逝和各种温度的应用是否导致相关产品超过其有用的保质期。

    Temperature/time limit indicator
    34.
    发明授权
    Temperature/time limit indicator 失效
    温度/时间限制指示

    公开(公告)号:US4509449A

    公开(公告)日:1985-04-09

    申请号:US439615

    申请日:1982-11-05

    CPC分类号: G01K3/04 G01K11/08

    摘要: An elongated container, open at end, is nearly filled with frozen fluid. Urethane foam insulation around the container admits access only to the open end of the container with the frozen fluid level below the insulation. An elongated heat conducting indicator member fits loosely within the container so that fluid may pass therebetween. An elastic band over the end of the indicator/conductor and around the base of the insulation maintains an end of the indicator/conductor in contact with the frozen fluid. The indicator/conductor is calibrated in degree-hours or other temperature-time units. The indicator/conductor may be a hollow flat-bottomed tube with air inside acting as the heat conductor from the exterior air to the contact end of the block of frozen fluid. An alternate indicator/conductor may be a thin heat conducting member surrounded by insulation and contacting a heat receptor at the outside end and a heat transmitter at the inside end contacting the frozen fluid, both of which are broader than the thin conducting member. The entire limit indicator may be encased in a thin plastic shell to prevent tampering with the device. A spring or elastic may be used within the shell to maintain contact. A membrane may contain the fluid until frozen, when the membrane may be broken for contacting the indicator/conductor to the frozen fluid. The indicator/conductor may be secured in place by a pin therethrough against the shell. A simple heat conducting rod is another alternate type of indicator/conductor member.

    摘要翻译: 一个细长的容器,在一端开放,几乎充满了冷冻液。 集装箱周围的聚氨酯泡沫绝缘体仅允许进入容器的开口端,冷冻液体水平低于绝缘体。 细长的导热指示器构件松动地配合在容器内,使得流体可以在其间通过。 在指示器/导体的端部和绝缘体的基部周围的弹性带保持指示器/导体的端部与冷冻流体接触。 指示器/导体以度数或其他温度 - 时间单位进行校准。 指示器/导体可以是中空的平底管,其中内部的空气用作从外部空气到冷冻流体块的接触端的导热体。 替代的指示器/导体可以是由绝缘包围的薄导热构件,并且与外部端部的热接收器接触,并且内端的热传递器接触冷冻流体,两者都比薄导电构件更宽。 整个限位指示器可以封装在薄塑料外壳中,以防止篡改设备。 外壳内可以使用弹簧或弹性体来保持接触。 当膜可能被破坏以将指示器/导体接触冷冻流体时,膜可能含有流体直到冷冻。 指示器/导体可以通过针穿过壳体固定到位。 简单的导热棒是另一种替代类型的指示器/导体构件。

    Disposable thermometer construction

    公开(公告)号:US3712141A

    公开(公告)日:1973-01-23

    申请号:US3712141D

    申请日:1971-10-14

    IPC分类号: G01K11/06 G01K11/08 G01K11/12

    CPC分类号: G01K11/08

    摘要: A thermometer having a thermally sensitive substance deposited on a thermally conductive sheet, e.g., aluminum, and an overlying transparent film carrying indicator means which are superpositionably registerable with the thermally responsive substance for communicating therewith to denote specified temperatures upon change of state of the substance is provided with readily removable shield components associated, respectively with the thermally responsive substance, and the indicator means to protect the thermally responsive substance and indicator means from any adverse environmental conditions which would prohibit, alter or otherwise inhibit proper functioning of the thermometer when actually required for use. The shield component associated with the thermally responsive substance, is of substantially vapor impervious character and comprises a material which is nonreactive with the thermally responsive substance heat sealable to the thermally conductive sheet and so sealed in face-to-face contact to the thermally conductive sheet in covering position over the thermally responsive substance deposits. Such shield component preferably is a two-layer laminate comprised of an ionomer layer selected for its amenability for heat sealing to metal foil, and a vapor-barrier reinforcing layer of a material such as aluminum, polyester or nylon overlaying the ionomer layer and in intimate contact therewith. The other shield component, i.e., associated with the indicator means, is readily removably adhesively secured to the transparent film. Both shield components can be peelably removed from the thermometer by pulling action applied digitally to pull tab means on the shield components. Concurrent with the peeling of the shield components from the transparent film and thermally conductive sheet when rendering to thermometer operative for use, the former is pressed against the thermally conductive sheet to position the indicator means in proper overlying communicating registration with the temperature responsive substance.